Description

1966-1974 Chevy/GMC 1/2 3/4 1-Ton 2WD 4WD, 1967-1974 Blazer/Jimmy 2WD, 1966-1972 Blazer/Jimmy K5/Suburban 4WD, 1973-1974 Blazer/Jimmy K5/Suburban 2WD 4WD: 283-400, Tube Size 1.5″, Collector Size 3″, w/ Air TubesFuel Economy From The EngineLeak Test For Max PerformanceMandrel-Formed Power PlenumLeakproof O-Ringed Port SealsInclude All Mounting HardwareConstruced of .049 cold roll flash mild steel tubingPrecision engineered for fit, performance and economyWorks with factory power steering and power brakesWith Air Tubes

Air Injection Tubes:Yes

Bolt size:3/8-16 x 3/4 IN

Bolts Included: Yes

Catalytic Converter Quantity: 0

Collector Attachment: 3-Bolt Flange

Collector Diameter: 3.00″

Collector Port Diameter: 3.00″

Collector Reducer Included:Yes

Collector Reducer Outlet Diameter:2.50 IN

Color: Black

Design: Long Tube

Drive: 2WD

Drive: 4WD

EGT Port: No

Engine: Chevrolet Small Block Gen I

Finish: Painted

Flange Thickness: 0.3125″

Flange Thickness:5/16 IN

Gasket Or Seal Included: Yes

Grade Type: Performance

Header Series:Flowtech I

Header Style: Long Tube

Material: Mild Steel

Mounting Hardware Included: Yes

Oxygen Sensor Port: No

Port Shape: Oval

Primary Tubing Diameter:1 1/2 IN

Primary Tubing Diameter:1.50 IN

Quantity: Sold as a Pair

Sheen Level: Satin

Tube Wall Thickness: 18 GU