| Description_ASM |
1985 Chevrolet K20 Suburban Custom 7.4 Liter Naturally Aspirated GAS, 1985 Chevrolet K20 Suburban Custom CID 454 Naturally Aspirated GAS, 1987 Chevrolet V20 Suburban Custom Deluxe 7.4 Liter Naturally Aspirated GAS, 1987 Chevrolet V20 Suburban Custom Deluxe CID 454 Naturally Aspirated GAS, 1988 Chevrolet V20 Suburban Scottsdale 7.4 Liter Naturally Aspirated GAS, 1988 Chevrolet V20 Suburban Scottsdale CID 454 Naturally Aspirated GAS, 1990 Chevrolet V2500 Suburban Scottsdale 7.4 Liter Naturally Aspirated GAS, 1990 Chevrolet V2500 Suburban Scottsdale CID 454 Naturally Aspirated GAS |
| Description_DEF |
Exhaust Header |
| Description_DES |
HTC Coated Headers; 1-3/4 in. Tube Dia; FULL LENGTH Design |
| Description_INV |
HEDMAN GM TRUCK HEADERS-SILVER |
| 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_EXT |
HTC Coated Headers; 1-3/4 in. Tube Dia.; 3 in. Coll.; FULL LENGTH Design |
| Description_SHO |
HEADERS, COATED |
| Air Conditioning |
Yes |
| Automatic Transmission - Column |
Yes |
| Automatic Transmission - Floor |
Yes |
| Bolts/Studs Included |
Yes |
| California Proposition 65 |
WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov |
| Catalytic Converter(s) Included |
No |
| Collector Attachment |
3 in. |
| 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. # |
Yes |
| Emissions Notes |
EO# D167-33 (click here for covered vehicles in document on ARB.CA.GOV website) |
| Exhaust System Dia |
2-1/2 in. |
| Finish |
HTC Polished Silver Ceramic-Metallic |
| Finish Type |
HTC SILVER (polished) Ceramic-metallic Coating |
| 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 |
HTC Polished Silver Ceramic-Metallic |
| Header Material |
Mild Steel |
| 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 |
82-87 GM 1/2, 3/4 Ton Truck 4WD 396-454 |
| Package Contents |
Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
| 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 HTC COATED HEADERS; 1-3/4 IN. TUBE DIA.; 3 IN. COLL.; FULL LENGTH DESIGN |
| 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 |
69281, 61288 |
| Weld-Up |
No |
| with A.I.R. System |
No |
| with EGR |
No |
| Y-Pipe Included |
No |
| Length |
8.0000 |
| Width |
16.0000 |
| Height |
38.0000 |
| Weight |
29.0000 |
