| Description_ASM |
1991-1995 Chevrolet C2500 7.4 Liter, 1988-1995 Chevrolet C3500 7.4 Liter, 1988 Chevrolet R20 7.4 Liter, 1989 Chevrolet R2500 7.4 Liter, 1988 Chevrolet R30 7.4 Liter, 1989-1991 Chevrolet R3500 7.4 Liter, 1991-1995 GMC C2500 7.4 Liter, 1988-1995 GMC C3500 7.4 Liter, 1988-1989 GMC R2500 7.4 Liter, 1988-1991 GMC R3500 7.4 Liter |
| Description_DEF |
Exhaust Header |
| Description_DES |
Standard Uncoated Headers; 1-3/4 in. Tube Dia.; FULL LENGTH Design |
| Description_INV |
HEDMAN GM TRUCK HEADER-UNCOATED |
| Description_EXT |
UNCOATED Headers; 1-3/4 in. Tube; 3 in. Collector; FULL-LENGTH Design; 88-95 Chevrolet & GMC 2WD 3/4 & 1 Ton Truck 7.4L; 1990-93 Chevrolet 1/2 Ton 454 SS- Uncoated Mild Steel |
| Description_FAB |
Handcrafted, Mild Steel Construction. |
| Description_FAB |
Long Tube Header Design Provides Excellent Top-End Horsepower and Torque. |
| Description_FAB |
Ball & Socket Collector Design requires No Gasket, and Allows For More Exhaust System Misalignment than Old School, Gasket-Style Header Collectors |
| Description_FAB |
Includes All The Necessary Mounting Hardware, Gaskets and Reducers (exhaust adapters) |
| Description_FAB |
Limted Lifetime Warranty On Construction, Five Year Warranty on Factory-Applied Header Coating! |
| Description_FAB |
Proud To Say, Made In The USA, Since 1954! |
| Description_SHO |
HEADERS, UNCOATED |
| Description_MKT |
Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing long and mid-length tube headers for Chevy trucks for nearly as long. Each set uses mild steel, smooth flowing, CNC mandrel bent tubes, that are hand-welded to ensure each pair is identical to the next. Hedman's unique, gasketless ball and socket collector design allows your Big Block 7.4L Chevy exhaust system to bolt up, even if it is not perfectly aligned with the header collectors.
These uncoated, LONG-TUBE headers fit 1988-95 2WD 3/4 and 1 ton Chevy Trucks with a factory 7.4L Chevy powerplant (check the application listings for exact fitment). The smooth 1-3/4 in. tube design provides ample exhaust flow to let your OBS Chevy truck's Big Block engine breathe easy, and produce maximum horsepower and torque.
These headers are uncoated, and ship from the factory with a temporary black paint that will burn off when submitted to normal operating temperatures. For protection against the element and lower underhood temperatures, these headers are also available with a silver or black ceramic-metallic finish.
Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.
Hedman Hedders is so confident in the quality of its headers that these headers are factory backed by a Limited Lifetime Warranty.
|
| Air Conditioning |
Yes |
| Automatic Transmission - Column |
Yes |
| Automatic Transmission - Floor |
Yes |
| Bolts/Studs Included |
Yes |
| California Proposition 65 |
WARNING: Cancer. For more info visit www.P65Warnings.ca.gov |
| Catalytic Converter(s) Included |
No |
| Collector Attachment |
3 in. |
| Collector Bolts Included |
Yes |
| Collector Diameter |
3 in. |
| Collector Size |
3 in. |
| Collector Style |
BALL and SOCKET Style (Gasketless) |
| Contents |
headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware |
| Crossover Pipe Included |
No |
| Cylinder Head |
Stock Profile Heads |
| Cylinder Head Port Shape |
Round |
| E.O. # |
No |
| Emissions Notes |
Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only. |
| Exhaust System Dia |
2-1/2 in. |
| Finish |
Uncoated |
| Finish Type |
Uncoated Mild steel |
| Flange Style |
Standard |
| Flange Thickness |
0.3125 in. |
| Gasket Or Seal Included |
Yes |
| Header Construction |
MILD STEEL- Standard-Duty |
| Header Fasteners Included |
Yes |
| Header Finish |
Uncoated |
| Header Material |
Mild Steel |
| Header Port Shape |
Round |
| Header Style |
Long Tube |
| Installation Hardware Included |
Yes |
| Manual Transmission - Column |
No |
| Manual Transmission - Floor |
Yes |
| Material |
Mild Steel |
| Motor Mounts Included |
No |
| Mounting Hardware Included |
Yes |
| Notes |
88-95 1/2, 3/4, 1 Ton Truck/SUV 396-502 |
| Package Contents |
Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
| Port Shape |
Round |
| Power Steering |
Yes |
| Primary Tube Diameter (in) |
1.75 in. |
| Primary Tube Gauge |
16g |
| Quantity |
Sold as a pair. |
| Reducer Outlet Size |
2-1/2 in. |
| Reducers Included |
Yes |
| Replacement Gasket |
27530 |
| Replacement Head Flange Gasket |
27530 |
| Title |
HEDMAN HEDDERS STANDARD-DUTY UNCOATED HEADERS; 1-3/4 IN. TUBE; 3 IN. COLLECTOR; FULL-LENGTH DESIGN; 88-95 CHEVROLET & GMC 2WD 3/4 & 1 TON TRUCK 7.4L; 1990-93 CHEVROLET 1/2 TON 454 SS HEADER |
| Tube Design |
Standard |
| Tube Diameter |
1-3/4 in. |
| Tube Length |
Long Tubes |
| Tube Material Thickness |
16g |
| Tube Size |
1-3/4 in. |
| Tube Style |
Long Tubes |
| Tuned |
No |
| Variations |
69456, 69850 |
| Weld-Up |
No |
| with A.I.R. System |
No |
| with EGR |
No |
| Y-Pipe Included |
No |
| Length |
8.0000 |
| Width |
17.0000 |
| Height |
39.0000 |
| Weight |
28.0000 |
