Chevy K20 Headers

JBA SHORTY HEADERS, STAINLESS STEEL, TITANIUM CERAMIC, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube diameter, 0.375 in. standard head flange; Shorty style; Round head port; They include mandrel-bent stainless steel primary tubes, patented JBA Firecone collector, factory style emission connections, extra thick collector domes, CNC laser-cut flange, oversized exhaust ports, boots, and terminals; Made of tough and durable stainless steel; Constructed through race-proven technology for maximum horsepower and torque gains; They improve throttle response, resist warping, prevent leakage, increase flow, and accommodate cylinder head porting; Installation requires welding or modification to exhaust system; Use big block flapper valve for smog legal applications; Spark plug boots must be changed from stock; For vehicles with carburetor; Easy installation.

Fits the following 1975-1986 Chevrolet K20 submodels:

• 1981-1986: Custom; 8 Cyl 5.7L; "CARB"
• 1975-1986: Scottsdale; 8 Cyl 5.7L; "CARB"

• 1975-1986: Silverado; 8 Cyl 5.7L; "CARB"

• 1985-1985: Custom; 8 Cyl 5.0L; "CARB"

• 1977-1985: Scottsdale; 8 Cyl 5.0L; "CARB"

• 1977-1985: Silverado; 8 Cyl 5.0L; "CARB"

• 1981-1981: Deluxe; 8 Cyl 5.7L; "CARB"

• 1977-1980: Cheyenne; 8 Cyl 5.0L; "CARB"

• 1977-1980: Custom Deluxe; 8 Cyl 5.0L; "CARB"

• 1975-1980: Cheyenne; 8 Cyl 5.7L; "CARB"

• 1975-1980: Custom Deluxe; 8 Cyl 5.7L; "CARB"

Fits 9 more submodels. (Show all) Show less info

HEDMAN STANDARD DUTY EXHAUST HEADERS, BLACK-PAINTED -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; Not applicable or intended for street or highway use; 1.625 in. tube diameter, 18-gauge tube wall thickness, 3 in. flange collector, 0.25 in. standard head flange; Premium gasket and installation hardware included; Without smog injection or injection heads; Full-length style; Round head port; They feature 18-gauge mandrel-bent primary tubes; Protected by factory applied black paint for pre-installation protection; Made in the USA; Modification to stock exhaust required to retain catalytic converter; Will fit with angle plug heads; Must modify rotary A/C bracket; Elite replacement gasket part number 27520.

Fits the following 1982-1986 Chevrolet K20 submodels:

• 1982-1986: Custom; 8 Cyl 5.7L;
• 1982-1986: Scottsdale; 8 Cyl 5.7L;

• 1982-1986: Silverado; 8 Cyl 5.7L;

• 1985-1985: Custom; 8 Cyl 5.0L;

• 1985-1985: Scottsdale; 8 Cyl 5.0L;

• 1985-1985: Silverado; 8 Cyl 5.0L;

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

FLOWTECH AFTERBURNER HEADER, GRAY HIGH TEMP -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 Tube Size, 3 Collector Size, Features 3 Large Secondary Collector For Reduced Back Pressure, Patented Tuned-Length, Velocity Tube For Smooth Exhaust Pulses And Increased Scavenging Over Conventional Header Design For Increased Horsepower And Torque, Includes All Hardware And Premium Gaskets For Complete Installation, With Manufacturer's 90-Day Warranty

Fits the following 1975-1986 Chevrolet K20 submodels:

• 1981-1986: Custom; 8 Cyl 5.7L;
• 1975-1986: Scottsdale; 8 Cyl 5.7L;

• 1975-1986: Silverado; 8 Cyl 5.7L;

• 1985-1985: Custom; 8 Cyl 5.0L;

• 1977-1985: Scottsdale; 8 Cyl 5.0L;

• 1977-1985: Silverado; 8 Cyl 5.0L;

• 1981-1981: Deluxe; 8 Cyl 5.7L;

• 1980-1980: Cheyenne; 8 Cyl 6.6L; "VIN X"

• 1980-1980: Custom Deluxe; 8 Cyl 6.6L; "VIN X"

• 1980-1980: Scottsdale; 8 Cyl 6.6L; "VIN X"

• 1980-1980: Silverado; 8 Cyl 6.6L; "VIN X"

• 1977-1980: Cheyenne; 8 Cyl 5.0L;

• 1977-1980: Custom Deluxe; 8 Cyl 5.0L;

• 1975-1980: Cheyenne; 8 Cyl 5.7L;

• 1975-1980: Custom Deluxe; 8 Cyl 5.7L;

• 1975-1979: Cheyenne; 8 Cyl 6.6L;

• 1975-1979: Custom Deluxe; 8 Cyl 6.6L;

• 1975-1979: Scottsdale; 8 Cyl 6.6L;

• 1975-1979: Silverado; 8 Cyl 6.6L;

Fits 17 more submodels. (Show all) Show less info

PATRIOT SPECIFIC FIT HEADERS, METALLIC CERAMIC-COATED, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube diameter, 3 in. collector; Includes gaskets, hardware, collector reducers, and installation instructions; Full-length style; Oval port shape; Features ceramic coated tubing that is corrosion and rust resistant; Lowers under hood temperatures for more power and extended product life; Easy to maintain; It has thick machined flanges for great seal; Its high flow mandrel-bent mild steel tubing provides greater horsepower and torque; Fits D-port cylinder heads including ZZ4 crate engines; Will fit most angle plug heads; Non-catalytic converter equipped; Reducers available with oxygen sensor fitting; Installation requires left side A/C bracket part number H7608; 1979 and later vehicles with short compressors can use the stock bracket.

Fits the following 1975-1986 Chevrolet K20 submodels:

• 1982-1986: Custom; 8 Cyl 6.2L;
• 1982-1986: Scottsdale; 8 Cyl 6.2L;

• 1982-1986: Silverado; 8 Cyl 6.2L;

• 1981-1986: Custom; 6 Cyl 4.8L;

• 1981-1986: Custom; 8 Cyl 5.7L;

• 1975-1986: Scottsdale; 6 Cyl 4.8L;

• 1975-1986: Scottsdale; 8 Cyl 5.7L;

• 1975-1986: Silverado; 6 Cyl 4.8L;

• 1975-1986: Silverado; 8 Cyl 5.7L;

• 1985-1985: Custom; 6 Cyl 4.3L;

• 1985-1985: Custom; 8 Cyl 5.0L;

• 1985-1985: Scottsdale; 6 Cyl 4.3L;

• 1985-1985: Silverado; 6 Cyl 4.3L;

• 1977-1985: Scottsdale; 8 Cyl 5.0L;

• 1977-1985: Silverado; 8 Cyl 5.0L;

• 1981-1981: Deluxe; 6 Cyl 4.8L;

• 1981-1981: Deluxe; 8 Cyl 5.7L;

• 1977-1980: Cheyenne; 8 Cyl 5.0L;

• 1977-1980: Custom Deluxe; 8 Cyl 5.0L;

• 1976-1980: Cheyenne; 8 Cyl 7.4L;

• 1976-1980: Custom Deluxe; 8 Cyl 7.4L;

• 1976-1980: Scottsdale; 8 Cyl 7.4L;

• 1976-1980: Silverado; 8 Cyl 7.4L;

• 1975-1980: Cheyenne; 6 Cyl 4.1L;

• 1975-1980: Cheyenne; 6 Cyl 4.8L;

• 1975-1980: Cheyenne; 8 Cyl 5.7L;

• 1975-1980: Cheyenne; 8 Cyl 6.6L;

• 1975-1980: Custom Deluxe; 6 Cyl 4.1L;

• 1975-1980: Custom Deluxe; 6 Cyl 4.8L;

• 1975-1980: Custom Deluxe; 8 Cyl 5.7L;

• 1975-1980: Custom Deluxe; 8 Cyl 6.6L;

• 1975-1980: Scottsdale; 6 Cyl 4.1L;

• 1975-1980: Scottsdale; 8 Cyl 6.6L;

• 1975-1980: Silverado; 6 Cyl 4.1L;

• 1975-1980: Silverado; 8 Cyl 6.6L;

Fits 33 more submodels. (Show all) Show less info

HOOKER COMPETITION FULL-LENGTH HEADERS, BLACK HI-TEMPERATURE PAINT -- 1.625 in. tube diameter, 16-gauge tube wall thickness, 2.5 in. flange collector, 8 in. collector length, 0.3125 in. standard head flange; They include all the necessary hardware for complete installation; Sap shape port; Full-length style; They feature tuned-length primary tubes for maximum exhaust scavenging and velocity, light but sturdy 16-gauge mild steel mandrel-bent tubing for smooth exhaust flow, long transition collector for decreased back pressure, and machined flanges for a perfect seal; Designed for optimal performance and industry's best welds for durability; Available with fittings to accommodate air injection manifold; Reducers available with oxygen sensor on 1980 and later models; Will not fit angle plug heads; With Hooker's limited warranty.

Fits the following 1975-1986 Chevrolet K20 submodels:

• 1981-1986: Custom; 8 Cyl 5.7L;
• 1975-1986: Scottsdale; 8 Cyl 5.7L;

• 1975-1986: Silverado; 8 Cyl 5.7L;

• 1985-1985: Custom; 8 Cyl 5.0L;

• 1977-1985: Scottsdale; 8 Cyl 5.0L;

• 1977-1985: Silverado; 8 Cyl 5.0L;

• 1981-1981: Deluxe; 8 Cyl 5.7L;

• 1980-1980: Cheyenne; 8 Cyl 6.6L; "VIN X"

• 1980-1980: Custom Deluxe; 8 Cyl 6.6L; "VIN X"

• 1980-1980: Scottsdale; 8 Cyl 6.6L; "VIN X"

• 1980-1980: Silverado; 8 Cyl 6.6L; "VIN X"

• 1977-1980: Cheyenne; 8 Cyl 5.0L;

• 1977-1980: Custom Deluxe; 8 Cyl 5.0L;

• 1975-1980: Cheyenne; 8 Cyl 5.7L;

• 1975-1980: Custom Deluxe; 8 Cyl 5.7L;

• 1975-1979: Cheyenne; 8 Cyl 6.6L;

• 1975-1979: Custom Deluxe; 8 Cyl 6.6L;

• 1975-1979: Scottsdale; 8 Cyl 6.6L;

• 1975-1979: Silverado; 8 Cyl 6.6L;

Fits 17 more submodels. (Show all) Show less info