Chevy Trailblazer Engine Parts

MARSHALL ENGINES PREMIUM PLUS LONG BLOCK ENGINE, REMANUFACTURED -- DOHC, 24-valve, oil pan has oil level sensor in bottom of oil pan; Includes factory installed oil pump, screen, oil pan, timing cover, valve covers and harmonic balancer; Cylinder heads are bake cleaned and shot blasted; Features high quality seals, installed valves and springs and 3-angled cut on valve seats; 100 percent mag inspected and pressure tested, vacuum tested for perfect seal, decks milled and surface checked, final oil pressure bench-mark tested on OHC heads, camshaft and followers installed; Crankshaft kit includes main and connecting rod bearings and is reground to factory tolerance for size, oil holes are completely chamfered then micro-polished to exceed the original finish ensuring proper bearing lubrication, a final wash is also done to ensure that every crank is clean, bake cleaned then shot blasted, checked for bend and journals polished; Shipped in foam-to-fit packing to protect crank and bearings; This purchase includes Marshall Engine's Extra Protection Warranty, special protection for your engine against overheating, lack of lubricant, contamination, detonation, pre-ignition, dry start, melted pistons and foreign object contaminations; The Extra Protection Warranty is an addition to the comprehensive protection against failures in parts and workmanship.

Fits the following 2002 Chevrolet Trailblazer submodels:

• 2002-2002: EXT LT; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"
• 2002-2002: EXT North Face; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2002-2002: LS; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2002-2002: LT; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2002-2002: LTZ; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2002-2002: North Face; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

Fits 4 more submodels. (Show all) Show less info

MARSHALL ENGINES PREMIUM PLUS LONG BLOCK ENGINE, REMANUFACTURED -- DOHC, 24-valve, oil pan has oil level sensor in bottom of oil pan; Includes factory installed oil pump, screen, oil pan, timing cover, valve covers and harmonic balancer; Cylinder heads are bake cleaned and shot blasted; Features high quality seals, installed valves and springs and 3-angled cut on valve seats; 100 percent mag inspected and pressure tested, vacuum tested for perfect seal, decks milled and surface checked, final oil pressure bench-mark tested on OHC heads, camshaft and followers installed; Crankshaft kit includes main and connecting rod bearings and is reground to factory tolerance for size, oil holes are completely chamfered then micro-polished to exceed the original finish ensuring proper bearing lubrication, a final wash is also done to ensure that every crank is clean, bake cleaned then shot blasted, checked for bend and journals polished; Shipped in foam-to-fit packing to protect crank and bearings; With Marshall Engine's 3-year/100,000 mile warranty when installed in passenger cars and light trucks.

Fits the following 2002 Chevrolet Trailblazer submodels:

• 2002-2002: EXT LT; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"
• 2002-2002: EXT North Face; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2002-2002: LS; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2002-2002: LT; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2002-2002: LTZ; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2002-2002: North Face; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

Fits 4 more submodels. (Show all) Show less info

MARSHALL ENGINES PREMIUM PLUS LONG BLOCK ENGINE, REMANUFACTURED -- DOHC, 24-valve; Includes factory installed oil pump, screen, oil pan, timing cover, valve covers and harmonic balancer; Without oil level sensor in bottom of oil pan; Cylinder heads are bake cleaned and shot blasted; Features high quality seals, installed valves and springs and 3-angled cut on valve seats; 100 percent mag inspected and pressure tested, vacuum tested for perfect seal, decks milled and surface checked, final oil pressure bench-mark tested on OHC heads, camshaft and followers installed; Crankshaft kit includes main and connecting rod bearings and is reground to factory tolerance for size, oil holes are completely chamfered then micro-polished to exceed the original finish ensuring proper bearing lubrication, a final wash is also done to ensure that every crank is clean, bake cleaned then shot blasted, checked for bend and journals polished; Shipped in foam-to-fit packing to protect crank and bearings; This purchase includes Marshall Engine's Extra Protection Warranty, special protection for your engine against overheating, lack of lubricant, contamination, detonation, pre-ignition, dry start, melted pistons and foreign object contaminations; The Extra Protection Warranty is an addition to the comprehensive protection against failures in parts and workmanship.

Fits the following 2003-2004 Chevrolet Trailblazer submodels:

• 2003-2003: LTZ; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"
• 2003-2004: EXT LT; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2003-2004: EXT North Face; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2003-2004: LS; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2003-2004: LT; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2003-2004: North Face; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2004-2004: EXT LS; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

Fits 5 more submodels. (Show all) Show less info

MARSHALL ENGINES PREMIUM PLUS LONG BLOCK ENGINE, REMANUFACTURED -- DOHC, 24-valve; Includes factory installed oil pump, screen, oil pan, timing cover, valve covers and harmonic balancer; Without oil level sensor in bottom of oil pan; Cylinder heads are bake cleaned and shot blasted; Features high quality seals, installed valves and springs and 3-angled cut on valve seats; 100 percent mag inspected and pressure tested, vacuum tested for perfect seal, decks milled and surface checked, final oil pressure bench-mark tested on OHC heads, camshaft and followers installed; Crankshaft kit includes main and connecting rod bearings and is reground to factory tolerance for size, oil holes are completely chamfered then micro-polished to exceed the original finish ensuring proper bearing lubrication, a final wash is also done to ensure that every crank is clean, bake cleaned then shot blasted, checked for bend and journals polished; Shipped in foam-to-fit packing to protect crank and bearings; With Marshall Engine's 3-year/100,000 mile warranty when installed in passenger cars and light trucks.

Fits the following 2003-2004 Chevrolet Trailblazer submodels:

• 2003-2003: LTZ; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"
• 2003-2004: EXT LT; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2003-2004: EXT North Face; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2003-2004: LS; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2003-2004: LT; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2003-2004: North Face; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

• 2004-2004: EXT LS; 6 Cyl 4.2L; "Gas, FI, Naturally Aspirated, VIN S"

Fits 5 more submodels. (Show all) Show less info

FELPRO ENGINE CONVERSION GASKET SET -- Contains rear main seal gasket, water pump gasket, fuel pump gasket, oil pump gasket, timing cover gasket and thermostat gasket; Includes PermaDry molded rubber oil pan gasket; Designed to be high quality direct fit replacements for stock conversion gaskets; Intended for lower block repair; Set contents may vary depending on application; With Felpro's limited 1-year warranty.

Fits the following 2003-2007 Chevrolet Trailblazer submodels:

• 2003-2004: EXT LT; 8 Cyl 5.3L; "GAS, FI, VIN P"
• 2003-2004: EXT North Face; 8 Cyl 5.3L; "GAS, FI, VIN P"

• 2004-2004: EXT LS; 8 Cyl 5.3L; "GAS, FI, VIN P"

• 2005-2006: EXT LS; 8 Cyl 5.3L; "GAS, FI, VIN M"

• 2005-2006: EXT LT; 8 Cyl 5.3L; "GAS, FI, VIN M"

• 2006-2006: LS; 8 Cyl 5.3L; "GAS, FI, VIN M"

• 2006-2006: LT; 8 Cyl 5.3L; "GAS, FI, VIN M"

• 2006-2007: SS; 8 Cyl 6.0L; "GAS, FI, VIN H"

Fits 6 more submodels. (Show all) Show less info

FELPRO ENGINE CONVERSION GASKET SET -- Contains rear main seal gasket, water pump gasket, fuel pump gasket, oil pump gasket, timing cover gasket and thermostat gasket; Includes PermaDry molded rubber oil pan gasket; Designed to be high quality direct fit replacements for stock conversion gaskets; Intended for lower block repair; Set contents may vary depending on application; With Felpro's limited 1-year warranty.

Fits the following 2002-2005 Chevrolet Trailblazer submodels:

• 2002-2003: LTZ; 6 Cyl 4.2L; "GAS, FI, VIN S"
• 2002-2004: EXT North Face; 6 Cyl 4.2L; "GAS, FI, VIN S"

• 2002-2004: North Face; 6 Cyl 4.2L; "GAS, FI, VIN S"

• 2002-2005: EXT LT; 6 Cyl 4.2L; "GAS, FI, VIN S"

• 2002-2005: LS; 6 Cyl 4.2L; "GAS, FI, VIN S"

• 2002-2005: LT; 6 Cyl 4.2L; "GAS, FI, VIN S"

• 2004-2005: EXT LS; 6 Cyl 4.2L; "GAS, FI, VIN S"

Fits 5 more submodels. (Show all) Show less info

FELPRO ENGINE CONVERSION GASKET SET -- Contains rear main seal gasket, water pump gasket, fuel pump gasket, oil pump gasket, timing cover gasket and thermostat gasket; Includes PermaDry molded rubber oil pan gasket; Designed to be high quality direct fit replacements for stock conversion gaskets; Intended for lower block repair; Set contents may vary depending on application; With Felpro's limited 1-year warranty.

Fits the following 2004-2005 Chevrolet Trailblazer submodels:

• 2004-2004: EXT North Face; 6 Cyl 4.2L;
• 2004-2004: North Face; 6 Cyl 4.2L;

• 2004-2005: EXT LS; 6 Cyl 4.2L;

• 2004-2005: EXT LT; 6 Cyl 4.2L;

• 2004-2005: LS; 6 Cyl 4.2L;

• 2004-2005: LT; 6 Cyl 4.2L;

Fits 4 more submodels. (Show all) Show less info

COMPLETE ENGINE ASSEMBLY, REMANUFACTURED -- Includes rocker covers, oil pan, front cover and harmonic balancer; Cylinder block: Magnafluxed for cracks and checked for any visible damage to the block or threaded holes before being repainted to the original color, each cylinder is honed with the specified cross-hatch pattern after the block is bored, decked and chamfered; Crankshaft: Machined on a fully-automated crank grinder for consistency and critical tolerances, given a final wash for cleanliness, all oil galley holes are chamfered and brushed after machining; Connecting rods: Measured against stringent specifications for bend, twist, and center-to-center length, the piston pin bore and bearing bore are measured with air gauges for proper dimensions, installed with new torque-to-yield rod bolts and nuts; Cylinder heads: Resurfaced and completely inspected for any visible damage or cracks, valve seats are machined, inspected and replaced if necessary, valve guides are inspected with an air gauge and replaced if necessary, cam bore is checked and machined if required, used with brand new valves, seals and lifters, all plugs and fittings are replaced with new pieces to protect against possible coolant leaks; This engine is spin tested to ensure proper oil flow, pressure, torque and compression; All sealed units are tested for oil and coolant leaks; With 36-month/100,000 miles warranty when installed in passenger cars, police cars and light trucks.

Fits the following 2003-2004 Chevrolet Trailblazer submodels:

• 2003-2004: EXT LT; 8 Cyl 5.3L;
• 2003-2004: EXT North Face; 8 Cyl 5.3L;

• 2004-2004: EXT LS; 8 Cyl 5.3L;

Fits 1 more submodels. (Show all) Show less info

BLUE PRINT ENGINE ASSEMBLY, DRESSED -- Dyno tested to produce 480 h.p., 550 ft./lbs. of torque, 9.0:1 compression ratio; Includes: Edelbrock performer RPM airgap intake manifold, chrome valve covers, Milodon cad plated oil pan, brass freeze plugs, Edelbrock 110 gph mechanical fuel pump with Edelbrock fuel line and filter, MSD pro billet ignition system with coil and plug wires, Edelbrock water pump, Edelbrock 800 cfm carburetor, Professional Products harmonic balancer; Block: 4 bolt main .060 over in. block, two piece rear seal, drivers side dipstick, square and parallel decked, align honed main bearing bore, cylinders are sonic tested for thickness and honed on a computer controlled machine to within .0002 in. straightness and roundness; Rotating Assembly: new Scat cast steel crankshaft internally balanced, new Scat 4340 forged connecting rods, 150,000 psi TS rod bolts, Keith Black forged flat top pistons with Hastings moly rings, Melling high volume oil pump, heavy duty double roller timing set, balanced within 2g on a computerized balancer; Cylinder heads: GM cast iron oval port heads with screw-in studs and guide plates, 113 cc chambers, 1.509 diameter valve springs with damper, hardened retainers and keepers, 2.25 in. swirl polished intake valves, 1.88 in. swirl polished exhaust valves, Elgin hardened push rods, long slot rockers with positive lock adjusting nuts; Camshaft Specs: Flat tappet hydraulic lifter, duration at .050 in. lift is 230 intake/236 exhaust and maximum lift of 0.552 in. intake/0.555 in. exhaust, 110 degree lobe separation, ignition timing: 13 to 16 degree initial/34 degree total timing advance; With Blue Print's 30 month/50,000 mile warranty.

Fits the following 2003-2009 Chevrolet Trailblazer submodels:

• 2003-2004: EXT North Face; 8 Cyl 5.3L; "GAS, Naturally Aspirated"
• 2003-2006: EXT LT; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2004-2006: EXT LS; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2006-2007: LS; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2006-2008: LT; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2008-2008: Base; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2009-2009: SS; 8 Cyl 6.0L; "GAS, Naturally Aspirated"

Fits 5 more submodels. (Show all) Show less info

BLUE PRINT ENGINE ASSEMBLY, DRESSED -- Dyno tested to produce 640 h.p., 660 ft./lbs. of torque, 10.0: 1 compression ratio; Includes: TPI Specialties multi port fuel injection system, TPI Specialties electric fuel pump, Milodon cad plated oil pan, brass freeze plugs, Edelbrock water pump, TPI Specialties modified electronic distributor with MSD plug wires, Professional Products harmonic balancer; Block: 4 bolt main .060 in. over block, two piece rear seal, driver side dipstick, square and parallel decked, align honed main bearing bore, cylinders are sonic tested for thickness and honed on a computer controlled machine to within .0002 in. straightness and roundness; Rotating Assembly: new Scat forged steel crankshaft internally balanced, new Scat 4340 forged H-beam connecting rods, 150,000 psi TS rod bolts, Probe forged flat top pistons with Hastings moly rings, Melling high volume oil pump, balanced to within 2g on a computerized balancer; Cylinder heads: AFR aluminum rectangular port cylinder heads with screw-in studs and guide plates, Blue Print Signature series tall aluminum valve covers, 2.225 polished intake valves, 1.88 in. swirl polished exhaust valves, Comp Cams hardened push rods, Jessel roller rocker system with positive lock adjusting nuts; Camshaft Specs: Hydraulic roller, duration at .050 in. lift is 242 intake/248 exhaust and maximum lift is 0.566 in. intake/0.566 in. exhaust, 112 degree lobe separation, ignition timing: 16 to 18 degree initial/36 degree total timing advance; With Blue Print's 30 month/50,000 mile warranty.

Fits the following 2003-2009 Chevrolet Trailblazer submodels:

• 2003-2004: EXT North Face; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"
• 2003-2006: EXT LT; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"

• 2004-2006: EXT LS; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"

• 2006-2007: LS; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"

• 2006-2008: LT; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"

• 2008-2008: Base; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"

• 2009-2009: SS; 8 Cyl 6.0L; "Gas, FI, Naturally Aspirated"

Fits 5 more submodels. (Show all) Show less info

BLUE PRINT ENGINE ASSEMBLY, DRESSED -- Dyno tested to produce 595 h.p., 615 ft./lbs. of torque, 10.0:1 compression ratio; <Includes: Edelbrock performer RPM airgap intake manifold, Edelbrock 110 gph mechanical fuel pump, Milodon cad plated oil pan, brass freeze plugs, Demon 850 cfm carburetor, MSD pro billet distributor with coil and plug wires, Edelbrock water pump, Professional Products harmonic balancer; Block: 4 Bolt Main .060 in. over block, two piece rear seal, driver side dipstick, square and parallel decked, align honed main bearing bore, cylinders are sonic tested for thickness and honed on a computer controlled machine to within .0002 in. straightness and roundness; Rotating Assembly: new Scat forged steel crankshaft internally balanced, new Scat 4340 forged H-beam connecting rods, 150,000 psi TS rod bolts, Probe forged flat top pistons with Hastings moly rings, Melling high volume oil pump, heavy duty double roller timing set, balanced to within 2g on a computerized balancer; Cylinder heads: AFR aluminum rectangular port cylinder heads with 305 cc runners and 119 cc chambers, Blue Print Signature series tall aluminum valve covers, 2.225 polished intake valves, 1.88 in. swirl polished exhaust valves, Comp Cams hardened push rods, Jessel roller rocker system with positive lock adjusting nuts; u>Camshaft Specs: Hydraulic roller, duration at .050 in. lift is 242 intake/248 exhaust and maximum lift of 0.566 in. intake/0.566 in. exhaust, 112 degree lobe separation, ignition timing: 16 to 18 degree initial/36 degree total timing advance; With Blue Print's 30 month/50,000 mile warranty.

Fits the following 2003-2009 Chevrolet Trailblazer submodels:

• 2003-2004: EXT North Face; 8 Cyl 5.3L; "GAS, Naturally Aspirated"
• 2003-2006: EXT LT; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2004-2006: EXT LS; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2006-2007: LS; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2006-2008: LT; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2008-2008: Base; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2009-2009: SS; 8 Cyl 6.0L; "GAS, Naturally Aspirated"

Fits 5 more submodels. (Show all) Show less info

BLUE PRINT ENGINE ASSEMBLY, BASE -- Dyno tested to produce 595 h.p., 615. ft./lbs. of torque, 10.0:1 compression ratio; Includes: Edelbrock performer RPM air gap intake manifold, Blue Print Signature series polished aluminum tall valve covers, Milodon cad plated oil pan, Professional Products harmonic balancer; Block: 4 bolt main .060 over block, two piece rear seal, driver side dipstick, square and parallel decked, align honed main bearing bore, cylinders are sonic tested for thickness and honed on a computer controlled machine to within .0002 in. straightness and roundness; Rotating Assembly: new Scat forged steel crankshaft internally balanced, new Scat 4340 forged H-beam connecting rods, 150,000 psi TS rod bolts, Probe forged flat top pistons with Hastings moly rings, Melling high volume oil pump, balanced to within 2g on a computerized balancer; Cylinder heads: AFR aluminum rectangular port cylinder heads with 305 cc runners and 119 cc chambers, 1.509 diameter valve springs with damper, hardened retainers and keepers, 2.25 in. swirl polished intake valves, 1.88 in. swirl polished exhaust valves, Comp cams hardened push rods, Jessel rocker arm system; Camshaft Specs: Hydraulic roller, duration at .050 in. lift is 242 intake/248 exhaust and maximum lift of 0.566 in. intake/0.566 in. exhaust, 112 degree lobe separation, ignition timing: 16 to 18 degree initial/36 degree total timing advance; With Blue Print's 30 month/50,000 mile warranty.

Fits the following 2003-2009 Chevrolet Trailblazer submodels:

• 2003-2004: EXT North Face; 8 Cyl 5.3L; "GAS, Naturally Aspirated"
• 2003-2006: EXT LT; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2004-2006: EXT LS; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2006-2007: LS; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2006-2008: LT; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2008-2008: Base; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2009-2009: SS; 8 Cyl 6.0L; "GAS, Naturally Aspirated"

Fits 5 more submodels. (Show all) Show less info

BLUE PRINT ENGINE ASSEMBLY, BASE -- Dyno tested to produce 480 h.p., 550 ft./lbs. of torque, 9.0:1 compression ratio; Includes: Edelbrock performer RPM air gap intake manifold, chrome valve covers, Milodon cad plated oil pan, brass freeze plugs, Professional Products harmonic balancer; Block: 4 bolt main .060 in. over block, two piece rear seal, driver side dipstick, square and parallel decked, align honed main bearing bore, cylinders are sonic tested for thickness and honed on a computer controlled machine to within .0002 in. straightness and roundness; Rotating Assembly: new Scat cast steel crankshaft internally balanced, 4.250 stroke, new Scat 4340 forged connecting rods, 150,000 psi TS rod bolts, Keith Black forged flat top pistons with Hastings moly rings, Melling high volume oil pump, heavy duty double roller timing set, balanced to within 2g on a computerized balancer; Cylinder heads: cast iron oval port heads with screw-in studs and guide plates, 113 cc chambers, 1.509 diameter valve springs with damper, hardened retainers and keepers, 2.25 in. swirl polished intake valves, 1.88 in. swirl polished exhaust valves, Elgin hardened push rods, long slot rockers with positive lock adjusting nuts; Camshaft Specs: Flat tappet hydraulic lifter, duration at .050 in. lift is 230 intake/236 exhaust and maximum lift of 0.552 in. intake/0.555 in. exhaust, 110 degree lobe separation, ignition timing: 13 to 16 degree initial/34 degree total timing advance; With Blue Print's 30 month/50,000 mile warranty.

Fits the following 2003-2009 Chevrolet Trailblazer submodels:

• 2003-2004: EXT North Face; 8 Cyl 5.3L; "GAS, Naturally Aspirated"
• 2003-2006: EXT LT; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2004-2006: EXT LS; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2006-2007: LS; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2006-2008: LT; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2008-2008: Base; 8 Cyl 5.3L; "GAS, Naturally Aspirated"

• 2009-2009: SS; 8 Cyl 6.0L; "GAS, Naturally Aspirated"

Fits 5 more submodels. (Show all) Show less info

BLUE PRINT ENGINE ASSEMBLY, DRESSED -- Dyno tested to produce 515 h.p., 585 ft./lbs. of torque, 9.0:1 compression ratio; Includes: Edelbrock performer Pro Flo fuel injection system, chrome valve covers, Milodon cad plated oil pan, brass freeze plugs, Edelbrock electric fuel pump, MSD pro billet ignition system with coil and plug wires, Edelbrock water pump, Professional Products harmonic balancer; Block: 4 bolt main .060 over block, two piece rear seal, drivers side dipstick, square and parallel decked, align honed main bearing bore, cylinders are sonic tested for thickness and honed on a computer controlled machine to within .0002 in. straightness and roundness; Rotating Assembly: new Scat cast steel crankshaft internally balanced, new Scat 4340 forged connecting rods, 150,000 psi TS rod bolts, Keith Black forged pistons with Hastings moly rings, Melling high volume oil pump, heavy duty double roller timing set, balanced to within 2g on a computerized balancer; Cylinder heads: GM cast iron oval port heads with screw-in studs and guide plates, 119 cc chambers, .509 diameter valve springs with damper, hardened retainers and keepers, 2.25 in. swirl polished intake valves, 1.88 in. swirl polished exhaust valves, Elgin hardened push rods, long slot rockers with positive lock adjusting nuts; Camshaft Specs: Flat tappet hydraulic lifter, duration at .050 in. lift is 230 intake/236 exhaust and maximum lift of 0.552 in. intake/0.555 in. exhaust, 110 degree lobe separation, 13 to 16 degree initial/34 degree total timing advance; With Blue Print's 30 month/50,000 mile warranty.

Fits the following 2003-2009 Chevrolet Trailblazer submodels:

• 2003-2004: EXT North Face; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"
• 2003-2006: EXT LT; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"

• 2004-2006: EXT LS; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"

• 2006-2007: LS; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"

• 2006-2008: LT; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"

• 2008-2008: Base; 8 Cyl 5.3L; "Gas, FI, Naturally Aspirated"

• 2009-2009: SS; 8 Cyl 6.0L; "Gas, FI, Naturally Aspirated"

Fits 5 more submodels. (Show all) Show less info

DORMAN HARMONIC BALANCER -- Double serpentine belt type; 7.72 in. diameter, 4.75 in. width, 10.4 lbs.; With pulleys; A high quality direct fit OE replacement harmonic balancer; Replaces OE part number 12576652; With Dorman's limited lifetime warranty.

Fits the following 2003-2008 Chevrolet Trailblazer submodels:

• 2003-2004: EXT LT; 8 Cyl 5.3L; "GAS, FI, VIN P"
• 2003-2004: EXT North Face; 8 Cyl 5.3L; "GAS, FI, VIN P"

• 2004-2004: EXT LS; 8 Cyl 5.3L; "GAS, FI, VIN P"

• 2005-2006: EXT LS; 8 Cyl 5.3L; "GAS, FI, VIN M"

• 2005-2006: EXT LT; 8 Cyl 5.3L; "GAS, FI, VIN M"

• 2006-2007: LS; 8 Cyl 5.3L; "GAS, FI, VIN M"

• 2006-2008: LT; 8 Cyl 5.3L; "GAS, FI, VIN M"

• 2006-2008: SS; 8 Cyl 6.0L; "GAS, FI, VIN H"

• 2008-2008: Base; 8 Cyl 5.3L; "GAS, FI, VIN M"

Fits 7 more submodels. (Show all) Show less info