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TUBE DIAMETER 1-5/8"
TUBE STYLE Long Tube (w/A.I.R.)
COLLECTOR STYLE Ball and Socket Style (Gasketless)
AIR CONDITIONING Yes
AUTOMATIC TRANSMISSION - COLUMN Yes
AUTOMATIC TRANSMISSION - FLOOR Yes
MANUAL TRANSMISSION - COLUMN Yes
MANUAL TRANSMISSION - FLOOR Yes
COLLECTOR ATTACHMENT 3"
COLLECTOR SIZE 3"
CONTENTS One pair of headers, head flange gaskets, collector flange gaskets (when applicable), 3-bolt exhaust adapters, mounting hardware
E.O. # Yes
EMISSIONS NOTES EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website)
EXHAUST SYSTEM DIA 2-1/2"
FINISH SILVER (matte) Ceramic-Metallic
FLANGE STYLE Standard
FLANGE THICKNESS 0.375"
HEAD FLANGE GASKET 27520
HEADER PORT SHAPE Oval Port
HEADER STYLE Long Tube
NOTES 68-91 GM 3/4, 1 Ton Truck, SUV 396-502 4WD w/A.I.R.
PORT SHAPE Oval
POWER STEERING Yes
MATERIAL Mild Steel
TUBE DESIGN LONG TUBES
TUBE LENGTH LONG Tubes
TUBE MATERIAL THICKNESS 14g
TUBE SIZE 1-5/8"
VARIATIONS 66231, 69831
WITH A.I.R. SYSTEM Yes
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 14g
PRIMARY TUBE DIAMETER (IN) 1.625"
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 SILVER (matte) Ceramic-Metallic
GASKET # 27520
CYLINDER HEAD PORT SHAPE Oval
CYLINDER HEAD Stock Profile Heads
HEADER CONSTRUCTION ELITE Heavy-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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