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TUBE DIAMETER 1-3/4"
TUBE STYLE Mid-Length
COLLECTOR STYLE Ball and Socket Style (Gasketless)
AIR CONDITIONING Yes
AUTOMATIC TRANSMISSION - COLUMN Yes
AUTOMATIC TRANSMISSION - FLOOR Yes
MANUAL TRANSMISSION - COLUMN No
MANUAL TRANSMISSION - FLOOR Yes
COLLECTOR ATTACHMENT 3"
COLLECTOR SIZE 3"
CONTENTS Set of headers, header flange gaskets, collector adapters, mounting hardware, instructions.
E.O. # No
EMISSIONS NOTES NOT LEGAL FOR STREET USE ON '76-LATER MODEL YEARS! Legal for off-road use only.
ENGINE Chevy SB 283-400 (Gen 1) 1958-86
EXHAUST SYSTEM DIA 2-1/2"
FINISH HTC Polished Silver Ceramic-Metallic
FLANGE STYLE Standard
FLANGE THICKNESS 5/16"
HEAD FLANGE GASKET 27560
HEADER PORT SHAPE Rectangle
HEADER STYLE Mid-Length Tube
NOTES 67-87 Chev. 1/2, 3/4 Ton Truck 283-400 2WD
PORT SHAPE Rectangle
MATERIALS Mild Steel Construction with HTC coating. 16g Tubes; 5/16" Head Flanges
POWER STEERING Yes
PRODUCT DETAILS The short, compact design of these headers allows truck builder to raise the exhaust system higher for maximum ground clearance. HTC ceramic-metallic coating to protect against heat and corrosion. Finish also helps lower engine compartment temperatures.
MATERIAL Mild Steel
SPECIAL ENGINE NOTES Designed for use with the SB Chevy engine located in the factory position.
TRANSMISSION COMPATIBILITY Manual Trans. must Use TailShaft style crossmember or modify factory crossmember
TUBE DESIGN MID-LENGTH
TUBE LENGTH MID-LENGTH Tubes
TUBE MATERIAL THICKNESS 16g
TUBE SIZE 1-3/4"
VARIATIONS 69020
WITH A.I.R. SYSTEM No
WITH EGR No
WELD-UP No
REDUCER OUTLET SIZE 2-1/2"
TUNED NO
REDUCERS INCLUDED Yes
GASKET OR SEAL INCLUDED Yes
BOLTS/STUDS INCLUDED Yes
INSTALLATION HARDWARE INCLUDED Yes
TRANSMISSION MOUNT/CROSSMEMBER INCLUDED No
MOTOR MOUNTS INCLUDED NO
MOUNTING HARDWARE INCLUDED Yes
COLLECTOR BOLTS INCLUDED Yes
CROSSOVER PIPE INCLUDED NO
Y-PIPE INCLUDED No
CATALYTIC CONVERTER(S) INCLUDED No
QUANTITY Sold as a pair.
PRIMARY TUBE GAUGE 16g
PRIMARY TUBE DIAMETER (IN) 1.75"
PACKAGE CONTENTS One pair of headers, head flange gaskets, collector flange gaskets (when applicable), 3-bolt exhaust adapters, mounting hardware
HEADER MATERIAL Mild Steel
HEADER FINISH HTC Polished Silver Ceramic-Metallic
GASKET # 27560
CYLINDER HEAD PORT SHAPE Rectangle
CYLINDER HEAD Fits Factory GM Aluminum or Cast Iron, Angle Plug and Straight Plug Heads.
HEADER CONSTRUCTION Standard-Duty
Manufacturer
Hedman Hedders, began as a one man shop in 1954. Bob Hedman, founder of Hedman Hedders, sold his highly sought after exhaust tubes to fellow racers on the salt flats of the Mojave Desert. But, what started out as a way to make a few bucks to pay for Bob’s racing hobby, quickly turned into the premier hedder manufacturer for both the racing and street hedder marketplaces. Originally designed for straightline drag racers, word spread quickly about Hedman’s reputation for building hedders that gave you the best boost in power for your dollar. It wasn’t long before Hedman Hedders was the brand of choice among racing’s elite engine builders, racers and race series. Familiar names like Don Garlits, Warren Johnson, Shirley Muldowney, Bob Chandler and his BIG FOOT Race Team, and the IROC series. Hedman Hedders constantly reshapes itself to meet environmental requirements and incorporates computer technology to ensure that its products offer the best performance improvement. Whether you’re a Pro or sportsman racer, Hedman Hedders builds your hedder with one goal in mind, optimum performance. Even if you’re not a racer, the lessons Hedman learns at the track and on the dyno, make it into every street hedder we design.
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