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This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1973 | Chevrolet | Blazer | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | Chevrolet | Blazer | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1969 | Chevrolet | K10 Pickup | Base | Fitment for 4WD vehicles only |
| 1970 | Chevrolet | K10 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1971 | Chevrolet | K10 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1972 | Chevrolet | K10 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | Chevrolet | K10 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | Chevrolet | K10 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1969 | Chevrolet | K10 Suburban | Base | Fitment for 4WD vehicles only |
| 1970 | Chevrolet | K10 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1971 | Chevrolet | K10 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1972 | Chevrolet | K10 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | Chevrolet | K10 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | Chevrolet | K10 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1969 | Chevrolet | K20 Pickup | Base | Fitment for 4WD vehicles only |
| 1970 | Chevrolet | K20 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1971 | Chevrolet | K20 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1972 | Chevrolet | K20 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | Chevrolet | K20 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | Chevrolet | K20 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1969 | Chevrolet | K20 Suburban | Base | Fitment for 4WD vehicles only |
| 1970 | Chevrolet | K20 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1971 | Chevrolet | K20 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1972 | Chevrolet | K20 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | Chevrolet | K20 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | Chevrolet | K20 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1969 | Chevrolet | K30 Pickup | Base | Fitment for 4WD vehicles only |
| 1970 | Chevrolet | K30 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1971 | Chevrolet | K30 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1972 | Chevrolet | K30 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | Chevrolet | K30 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | Chevrolet | K30 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | GMC | Jimmy | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | GMC | Jimmy | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1969 | GMC | K15/K1500 Pickup | Base | Fitment for 4WD vehicles only |
| 1970 | GMC | K15/K1500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1971 | GMC | K15/K1500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1972 | GMC | K15/K1500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | GMC | K15/K1500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | GMC | K15/K1500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1969 | GMC | K15/K1500 Suburban | Base | Fitment for 4WD vehicles only |
| 1970 | GMC | K15/K1500 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1971 | GMC | K15/K1500 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1972 | GMC | K15/K1500 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | GMC | K15/K1500 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | GMC | K15/K1500 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1969 | GMC | K25/K2500 Pickup | Base | Fitment for 4WD vehicles only |
| 1970 | GMC | K25/K2500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1971 | GMC | K25/K2500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1972 | GMC | K25/K2500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | GMC | K25/K2500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | GMC | K25/K2500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1969 | GMC | K25/K2500 Suburban | Base | Fitment for 4WD vehicles only |
| 1970 | GMC | K25/K2500 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1971 | GMC | K25/K2500 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1972 | GMC | K25/K2500 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | GMC | K25/K2500 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | GMC | K25/K2500 Suburban | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1969 | GMC | K35/K3500 Pickup | Base | Fitment for 4WD vehicles only |
| 1970 | GMC | K35/K3500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1971 | GMC | K35/K3500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1972 | GMC | K35/K3500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1973 | GMC | K35/K3500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
| 1974 | GMC | K35/K3500 Pickup | Base | Fitment for 4WD vehicles only,Fitment for 4WD vehicles only |
Specifications:
| Bolt size | 3/8-16 x 3/4 |
| Brand | Hooker |
| CARB (California) Compliant | No |
| Category | Exhaust |
| Collector Diameter | 3.00 inch |
| Emission Code | 4 |
| Engine | GM Big Block |
| Header Finish | Silver Ceramic |
| Header Style | Long Tube |
| part type | Exhaust Header |
| Primary Tube Dia. | 1-3/4 inch |
| Product Type | Headers |
| Sub Category | Exhaust Manifolds |
| Tube Material | Mild Steel |
| Warning | California Proposition 65 |
| Bolt size | 3/8-16 x 3/4 |
| Brand | Hooker |
| CARB (California) Compliant | No |
| Category | Exhaust |
| Collector Diameter | 3.00 inch |
| Emission Code | 4 |
| Engine | GM Big Block |
| Header Finish | Silver Ceramic |
| Header Style | Long Tube |
| part type | Exhaust Header |
| Primary Tube Dia. | 1-3/4 inch |
| Product Type | Headers |
| Sub Category | Exhaust Manifolds |
| Tube Material | Mild Steel |
| Warning | California Proposition 65 |
| Description_ABR | HDR CRMC 69- |
| Description_SHO | HDR CRMC 69-74 CHEVY |
| Description_INV | HDR CRMC 69-74 CHEVY TRK 4WD |
| Description_ASC | Will not fit with Turbo 400 unless transmission crossmember is set back 2" at the mount. Breaking in an engine with ceramic coated headers WILL result in damage to the coating and will VOID all warranties. Hooker recommends using cast iron exhaust manifolds or old headers during your engine break-in period to avoid damaging your coated damage. Please call Hooker tech service at 270-781-9741 for additional information regarding ceramic coated exhaust products. The use of header wraps can cause the header tubes to crack or rust due to excessive heat and moisture build-up. Hooker does not recommend the use of header wraps as this will void the warranty. Hooker long tube headers do not come with header reducers. |
| Description_DES | Hooker Competition Long Tube Headers - Ceramic Coated |
| Description_EXT | Long Tube Headers for 1969-1974 Blazer/Jimmy/Yukon/Tahoe 2DR. (4WD), 1969-1974 1/2, 3/4 & 1 Ton Truck (4WD): 396-502ci engines, 1.75" Primary Tube diameter x 31", 3.0" Collector, 8" Collector Length, Header Port Shape: Same As Engine Port; |
| Description_MKT | 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. Hooker Competition headers have a standard finish that features a heat-cured, high-heat-resistant paint. Optionally, the famous Hooker Ceramic Thermal Barrier Coating is available. |
| Description_FAB | Tuned-length primary tubes for better performance |
| Description_FAB | Mandrel-bent tubing for smooth exhaust flow |
| Description_FAB | Light weight & sturdy 16 gauge tubing |
| Description_FAB | Long transition collector for decreased back pressure |
| Description_FAB | 5/16” machined flanges for a perfect seal |
| Description_FAB | Industry’s best welds for durability |
| Description_FAB | Designed for easy, trouble-free fit |
| Description_FAB | All necessary hardware included for a complete installation |
| Description_FAB | Works with factory power steering, power brakes and air conditioning |
| Description_ABR | HDR CRMC 69- |
| Description_SHO | HDR CRMC 69-74 CHEVY |
| Description_INV | HDR CRMC 69-74 CHEVY TRK 4WD |
| Description_ASC | Will not fit with Turbo 400 unless transmission crossmember is set back 2" at the mount. Breaking in an engine with ceramic coated headers WILL result in damage to the coating and will VOID all warranties. Hooker recommends using cast iron exhaust manifolds or old headers during your engine break-in period to avoid damaging your coated damage. Please call Hooker tech service at 270-781-9741 for additional information regarding ceramic coated exhaust products. The use of header wraps can cause the header tubes to crack or rust due to excessive heat and moisture build-up. Hooker does not recommend the use of header wraps as this will void the warranty. Hooker long tube headers do not come with header reducers. |
| Description_DES | Hooker Competition Long Tube Headers - Ceramic Coated |
| Description_EXT | Long Tube Headers for 1969-1974 Blazer/Jimmy/Yukon/Tahoe 2DR. (4WD), 1969-1974 1/2, 3/4 & 1 Ton Truck (4WD): 396-502ci engines, 1.75" Primary Tube diameter x 31", 3.0" Collector, 8" Collector Length, Header Port Shape: Same As Engine Port; |
| Description_MKT | 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. Hooker Competition headers have a standard finish that features a heat-cured, high-heat-resistant paint. Optionally, the famous Hooker Ceramic Thermal Barrier Coating is available. |
| Description_FAB | Tuned-length primary tubes for better performance |
| Description_FAB | Mandrel-bent tubing for smooth exhaust flow |
| Description_FAB | Light weight & sturdy 16 gauge tubing |
| Description_FAB | Long transition collector for decreased back pressure |
| Description_FAB | 5/16” machined flanges for a perfect seal |
| Description_FAB | Industry’s best welds for durability |
| Description_FAB | Designed for easy, trouble-free fit |
| Description_FAB | All necessary hardware included for a complete installation |
| Description_FAB | Works with factory power steering, power brakes and air conditioning |
