Description

Hooker Competition Long Tube Headers – Ceramic Coated1969-1974 Blazer / Suburban / Jimmy / Carryall / Yukon / 1-Ton Crew Cab 2WD, 1963-1974 1/2, 3/4 and 1 Ton Truck 2WD: 265-400 Tube Size 1.625 in. x 27 in. O.D.,Collector Size 2.5″ O.D., Collector Length 8 in., Port Shape: Same As PortDoes not fit with angel plug or raised port heads. Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer, Hooker Competition headers offer premium features at a very competitive price. Made of durable 16 gauge mild steel tubing, the Hooker Competition header design utilizes a long transition collector to reduce back pressure and increase exhaust flow. A perfect sealing surface is assured with the 5/16″ machined flanges, with welded O-ring seals. Experience has proven that this flange size is ideal to maintain header integrity and be pliable enough to seal each exhaust port. Tubing is mandrel-bent to maintain metal strength and provide consistent tube diameter at radii to maximize performance.

Air Injection Tubes:No

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

Bolts Included: Yes

Collector Attachment: 3-Bolt Flange

Collector Diameter: 2.50″

Collector Reducer Included:No

Collector Reducer Outlet Diameter:N/A IN

Color: Silver

Design: Long Tube

Drive: 2WD

EGT Port: No

Engine: Chevrolet Small Block Gen I

Finish: Ceramic Coated

Flange Thickness:5/16 IN

Gasket Or Seal Included: Yes

Grade Type: Performance

Header Series:Competition

Header Style: Long Tube

Material: Mild Steel

Mounting Hardware Included: Yes

Oxygen Sensor Port: No

Port Shape: Oval

Primary Tubing Diameter: 1.625 Inch

Primary Tubing Diameter:1 5/8 IN

Quantity: Sold as a Pair

Tube Wall Thickness: 16 GU