Description

1968-1974 Chevy/GMC, 2WD 1/2, 3/4 1-Ton Trucks/Blazer/Jimmy, 1973-1974 2WD Suburban, 1968-1974 1/2 3/4 Ton 4WD Trucks, 1973-1974 4WD Blazer/Jimmy K5/Suburban: 396-454, Tube Size 1.75″, Collector Size 3″. Automatic transmission only.Fuel Economy From The EngineLeak Test For Max PerformanceCeramic HeadersRust And Corrosion ResistanceMandrel-Formed Power PlenumLeakproof O-Ringed Port SealsInclude All Mounting Hardware

Air Injection Tubes:No

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

Bolts Included: No

Collector Attachment: 3-Bolt Flange

Collector Diameter: 3.00″

Collector Reducer Included:Yes

Collector Reducer Outlet Diameter:2.50 IN

Color: Silver

Design: Long Tube

Drive: 4WD

EGT Port: No

Engine: GM Big Block

Finish: Ceramic Coated

Flange Thickness: 0.3125″

Flange Thickness: 0.375″

Flange Thickness: 3/8″

Flange Thickness:5/16 IN

Gasket Or Seal Included: Yes

Grade Type: Performance

Header Series:Flowtech II – Full Length

Header Style: Long Tube

Material: Mild Steel

Mounting Hardware Included: Yes

Oxygen Sensor Port: No

Port Shape: Round

Primary Tubing Diameter: 1.75 Inch

Primary Tubing Diameter:1 3/4 IN

Quantity: Sold as a Pair

Tube Wall Thickness: 16 GU