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#4254901HKR
Hooker 4901HKR Competition Header, Painted
$359.95
/set
Factory Shipped
$399.95
Save $40.00
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Product Summary
Long Tube Header Tube Type, D-port Exhaust Port Shape
Rebates Available
See rebate detailsKey Specs
| MFG. Part # | 4901HKR |
| Header Tube Type | Long Tube |
| Exhaust Port Shape | D-port |
| Flange Style | Standard |
| Primary Tube Diameter | 1-5/8" |
Need To Know
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Return PolicyHooker Headers 4901HKR Details
Hooker Headers 4901HKR Details
Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer who is running either a "stock" or "mildly-modified" engine, 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.
- Tuned-length primary tubes for street performance
- Mandrel-bent tubing for smooth exhaust flow
- Light weight & sturdy 16 gauge tubing
- Long transition collector for decreased back pressure
- 5/16 machined flanges for a perfect seal
- Industry™s best welds for durability
- designed for easy, trouble-free fit
- All necessary hardware included for a complete installation
Application
1965 Pontiac LeMans
1966 Pontiac LeMans
1967 Pontiac LeMans
1968 Pontiac LeMans
1969 Pontiac LeMans
1970 Pontiac Firebird
1970 Pontiac LeMans
1971 Pontiac Firebird
1971 Pontiac LeMans
1972 Pontiac Firebird
1972 Pontiac LeMans
1973 Pontiac Firebird
1973 Pontiac Grand Am
1973 Pontiac LeMans
1974 Pontiac Firebird
1974 Pontiac Grand Am
1974 Pontiac LeMans
1975 Pontiac Firebird
1975 Pontiac Grand Am
1975 Pontiac LeMans
1976 Pontiac Firebird
1977 Pontiac Firebird
1978 Pontiac Firebird
1979 Pontiac Firebird
Charts
Rebates
Holley IRS Sale 2026

Save 10% instantly on select products across the Holley family of performance brands during the annual Holley I.R.S.Tax Sale. Instant rebate period has been extended and now runs from February 17, 2026 through April 19, 2026.
CARB Warning
For race/ off road use only
CARB Warning
For race/ off road use only
Hooker Headers 4901HKR Specifications
Hooker Headers 4901HKR Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 4901HKR |
| Brand | Hooker Headers |
| Header Tube Type | Long Tube |
| Exhaust Port Shape | D-port |
| Flange Style | Standard |
| Primary Tube Diameter | 1-5/8" |
| Material Type | Steel |
| Color | Black |
| Weld-Up | No |
| Collector Diameter | 3 Inch |
| Finish | Painted |
| Hardware Included | Yes |
| Gasket(s) Included | Yes |
| Collector Reducers Included | No |
| GENERAL | |
| Sold in Quantity | Pair |
| GTIN Code | 700414009599 |
| Notes | Will not fit convertible. The paint applied to these headers is a temporary coating only and is designed to burn off during use. High temperature paint or other high temperature coatings are recommended. |
| Collector Length | 8" |
| Flange Thickness | 0.3125" |
| Emission Code | 3 |
| Crossover Pipe Included | No |
| Primary Tube Gauge | 16-gauge |
Ratings & Reviews
Ratings & Reviews
Fitment
Fitment
1959-1966 Pontiac Bonneville
389 Pontiac V8
1959-1966 Pontiac Catalina
389 Pontiac V8
1962-1966 Pontiac Grand Prix
389 Pontiac V8
1964-1966 Pontiac GTO
389 Pontiac V8
1963-1966 Pontiac LeMans
389 Pontiac V8
1959-1966 Pontiac Star Chief
389 Pontiac V8
1961-1966 Pontiac Tempest
389 Pontiac V8
1960-1961 Pontiac Ventura
389 Pontiac V8
