GMC K15 Engine Long Block

CYLINDER HEAD GASKET SET -- Does not include head bolts; A high quality, OE replacement cylinder head gasket set; Backed by 1-year, unlimited-mileage warranty.

Fits the following 1975-1978 GMC K15 submodels:

• 1976-1978: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"
• 1976-1978: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1976-1978: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1976-1978: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1975-1976: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1976: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1976: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1976: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1975: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1975: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1975: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1975: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

Fits 10 more submodels. (Show all) Show less info

FELPRO PERMATORQUE FULL GASKET SET -- Contains head gasket, intake gasket, oil pan gasket, rear main seal, exhaust manifold gasket, valve cover gasket, valve stem seals, water pump gasket, timing cover gasket, timing cover seal, water neck gasket, fuel pump gasket, and distributor gasket; Does not include head bolts and 2-17/32 in. ID exhaust pipe packing; An all inclusive set for a complete engine overhaul; Intended for upper and lower engine work combined; Set contents may vary depending on application; Head bolt replacement recommended; With 1-year Felpro limited warranty.

Fits the following 1975-1978 GMC K15 submodels:

• 1976-1978: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"
• 1976-1978: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1976-1978: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1976-1978: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN L"

• 1975-1976: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1976: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1976: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1976: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN V"

• 1975-1975: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1975: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1975: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

• 1975-1975: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated, VIN Y"

Fits 10 more submodels. (Show all) Show less info

MR GASKET ENGINE REBUILDER ENGINE OVERHAUL GASKET SET -- Full gasket set type; Includes gaskets for the cylinder head, intake and exhaust manifolds, timing cover, fuel pump, crankshaft, oil pump and valve covers, and seals; Designed to rebuild stock engines; Engineered to meet or exceed OE gasket and seal specifications; With Mr. Gasket's limited 90-day warranty.

Fits the following 1975-1978 GMC K15 submodels:

• 1975-1978: Base; 8 Cyl 5.7L;
• 1975-1978: High Sierra; 8 Cyl 5.7L;

• 1975-1978: Sierra Classic; 8 Cyl 5.7L;

• 1975-1978: Sierra Grande; 8 Cyl 5.7L;

Fits 2 more submodels. (Show all) Show less info

SPECTRE ENGINE DRESS-UP KIT, CHROME -- Includes one pair of tall baffled valve covers and valve cover gaskets, eight spreader bars and T-bar hold downs, one breather, one dipstick and tube, two grommets, timing cover kit, and timing tab.

Fits the following 1975-1978 GMC K15 submodels:

• 1976-1978: Base; 8 Cyl 5.0L;
• 1976-1978: High Sierra; 8 Cyl 5.0L;

• 1976-1978: Sierra Classic; 8 Cyl 5.0L;

• 1976-1978: Sierra Grande; 8 Cyl 5.0L;

• 1975-1978: Base; 8 Cyl 5.7L;

• 1975-1978: Base; 8 Cyl 6.6L;

• 1975-1978: High Sierra; 8 Cyl 5.7L;

• 1975-1978: High Sierra; 8 Cyl 6.6L;

• 1975-1978: Sierra Classic; 8 Cyl 5.7L;

• 1975-1978: Sierra Classic; 8 Cyl 6.6L;

• 1975-1978: Sierra Grande; 8 Cyl 5.7L;

• 1975-1978: Sierra Grande; 8 Cyl 6.6L;

Fits 10 more submodels. (Show all) Show less info

TEMPERATURE SENSOR -- Male connector, 1 terminal, male terminal, slide terminal type, 1/2 in. -18 NPT thread size; A high quality, direct fit OE replacement temperature sensor; With 3-year or 36,000-mile Standard limited warranty.

Fits the following 1975-1978 GMC K15 submodels:

• 1975-1978: All Submodels; All Engines;

PRO COMP SUSPENSION BLOCKS, CAST IRON, SET OF 2 -- Provides 5.5 in. rear lift; Includes 4 U-bolts, flat washers, and nuts; The blocks are tapered in order to improve driveshaft angles.

Fits the following 1975-1978 GMC K15 submodels:

• 1975-1978: All Submodels; All Engines;

ROUGH COUNTRY 4 in. LIFT BLOCKS, CAST IRON, SET OF 2 -- Includes 4 ultra-strong C1541 steel U-bolts and other mounting hardware; For use on leaf springs that are mounted above axle; This kit raises the rear of your truck and provides additional clearance for bigger tires and wheels.

Fits the following 1975-1978 GMC K15 submodels:

• 1975-1978: All Submodels; All Engines;

EDELBROCK POWER PACKAGE TOP END KITS -- Includes Performer RPM hydraulic cams and lifters, 2 performer RPM heads, Timing cover and seal set, cylinder head gasket and seal set, RPM Air-gap intake manifold, intake manifold kit, and cylinder head bolt set; With Edelbrock's limited 1-year warranty.

Fits the following 1975-1978 GMC K15 submodels:

• 1976-1978: Base; 8 Cyl 5.0L;
• 1976-1978: High Sierra; 8 Cyl 5.0L;

• 1976-1978: Sierra Classic; 8 Cyl 5.0L;

• 1976-1978: Sierra Grande; 8 Cyl 5.0L;

• 1975-1978: Base; 8 Cyl 5.7L;

• 1975-1978: Base; 8 Cyl 6.6L;

• 1975-1978: High Sierra; 8 Cyl 5.7L;

• 1975-1978: High Sierra; 8 Cyl 6.6L;

• 1975-1978: Sierra Classic; 8 Cyl 5.7L;

• 1975-1978: Sierra Classic; 8 Cyl 6.6L;

• 1975-1978: Sierra Grande; 8 Cyl 5.7L;

• 1975-1978: Sierra Grande; 8 Cyl 6.6L;

Fits 10 more submodels. (Show all) Show less info

SUPERLIFT STEERING BLOCK, ALUMINUM, SOLD INDIVIDUALLY -- 3 in. lift; Dana 44; Open type; Includes mounting hardware, This high quality, direct fit steering block helps eliminate bump-steer problems.

Fits the following 1975-1978 GMC K15 submodels:

• 1975-1978: All Submodels; All Engines;

VICTOR REINZ ENGINE GASKET SET -- Cylinder head type; Provides optimum seal; Handles drastic temperature extremes, high internal pressures, coolants, and lubricants with unsurpassed standards of innovation and quality.

Fits the following 1975-1978 GMC K15 submodels:

• 1975-1978: Base; 8 Cyl 5.7L;
• 1975-1978: High Sierra; 8 Cyl 5.7L;

• 1975-1978: Sierra Classic; 8 Cyl 5.7L;

• 1975-1978: Sierra Grande; 8 Cyl 5.7L;

Fits 2 more submodels. (Show all) Show less info

BLUE PRINT ENGINE ASSEMBLY, DRESSED, NEW

Blue Print Engine Assembly is completely balanced, blueprinted, and dyno-tested. Comes complete with a fuel system, ignition system, and water and fuel pumps. Tested, analyzed, and ensures predictable and reliable performance.

Specifications:

• 1.44 in. diameter valve springs
• 2.02 in. swirl polished intake valves
• 1.6 in. swirl polished exhaust valves
• 380 ft./lbs. of torque
• 9.5:1 compression ratio
• Dyno tested to produce 360 h.p.
• 4 bolt main block
• Square and parallel decked
• Align honed main bearing bore
• Hardened push rods, retainers, and springs
• Flat tappet hydraulic lifter
• New Dart aluminum cylinder heads
• Includes Professional Products dual plane satin finish intake manifold, Edelbrock 600 cfm carburetor, Signature series aluminum valve covers, and brass freeze plugs

Features:

• 110 degree lobe separation
• Duration at 0.05 in. lift is 224 intake/230 exhaust and maximum lift of 0.48 in. intake/0.49 in. exhaust
• Ignition timing: 13 to 16 degree initial/34 degree total timing advance
• Balanced within 2g on a computerized balancer
• Cylinders are sonic tested for thickness and honed on a computer controlled machine to within 0.0002 in. straightness and roundness
• New Scat cast crankshaft, new Scat I-beam rods, Keith Black hypereutectic pistons with Hastings moly rings, Melling high volume oil pump, and heavy duty double roller timing set

Driver side dipstick sold separately.

Fits the following 1975-1978 GMC K15 submodels:

• 1975-1978: Base; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated"
• 1975-1978: High Sierra; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated"

• 1975-1978: Sierra Classic; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated"

• 1975-1978: Sierra Grande; 8 Cyl 5.7L; "GAS, CARB, Naturally Aspirated"

Fits 2 more submodels. (Show all) Show less info

TRANSDAPT ENGINE DRESS UP KIT -- Includes two tall valve covers, push-in breather, grommets, timing chain cover, timing tab, dipstick, and tube.

Fits the following 1975-1978 GMC K15 submodels:

• 1976-1978: Base; 8 Cyl 5.0L;
• 1976-1978: High Sierra; 8 Cyl 5.0L;

• 1976-1978: Sierra Classic; 8 Cyl 5.0L;

• 1976-1978: Sierra Grande; 8 Cyl 5.0L;

• 1975-1978: Base; 8 Cyl 5.7L;

• 1975-1978: Base; 8 Cyl 6.6L;

• 1975-1978: High Sierra; 8 Cyl 5.7L;

• 1975-1978: High Sierra; 8 Cyl 6.6L;

• 1975-1978: Sierra Classic; 8 Cyl 5.7L;

• 1975-1978: Sierra Classic; 8 Cyl 6.6L;

• 1975-1978: Sierra Grande; 8 Cyl 5.7L;

• 1975-1978: Sierra Grande; 8 Cyl 6.6L;

Fits 10 more submodels. (Show all) Show less info

DNJ ENGINE CYLINDER HEAD GASKET SET -- Designed to meet or exceed OE specifications; Manufactured with associates who hold an ISO9002 or QS9000 certificate that is achieved only by meeting the highest of manufacturing standards; With 12-month or 12,000-mile DNJ limited warranty.

Fits the following 1975-1976 GMC K15 submodels:

• 1975-1976: Base; 8 Cyl 5.7L;
• 1975-1976: High Sierra; 8 Cyl 5.7L;

• 1975-1976: Sierra Classic; 8 Cyl 5.7L;

• 1975-1976: Sierra Grande; 8 Cyl 5.7L;

Fits 2 more submodels. (Show all) Show less info

RANCHO SUSPENSION BLOCKS, CAST IRON, SET OF 2 -- Provides 4 in. rear lift; Includes U-bolts.

Fits the following 1975-1978 GMC K15 submodels:

• 1975-1978: All Submodels; All Engines;

AIRTEX FUEL PUMP, NEW -- Mechanical; Precision built to meet or exceed OE specifications; Its construction features the latest in technology and OE design philosophy.

Fits the following 1975-1977 GMC K15 submodels:

• 1975-1977: Base; 8 Cyl 5.7L;
• 1975-1977: High Sierra; 8 Cyl 5.7L;

• 1975-1977: Sierra Classic; 8 Cyl 5.7L;

• 1975-1977: Sierra Grande; 8 Cyl 5.7L;

• 1976-1976: Base; 8 Cyl 5.0L;

• 1976-1976: High Sierra; 8 Cyl 5.0L;

• 1976-1976: Sierra Classic; 8 Cyl 5.0L;

• 1976-1976: Sierra Grande; 8 Cyl 5.0L;

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