Speed-Engineering
Speed Engineering LT1/LT4 Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1057
- PART NUMBER:
- 25-1057
- MPN:
- 25-1057
- Availability:
- Ships from Manufacturer
- Shipping:
- Free over $98 in U.S. 48
- Type:
- LT Swap Headers
- Material:
- 304 Natural Steel
- Finish:
- Natural
- Primary Tube Diameter (in.):
- 1-5/8
- Collector Diameter (in.):
- 2 1/2
- Port Style:
- Round
- Bolts Included:
- No
- Gaskets Included:
- Yes
- O2 Bungs:
- Yes
- O2 Extensions Included:
- No
- RESTRICTION:
- Will Not Ship To California
Description
Speed Engineering LT1/LT4 Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1057
Speed Engineering LT swap shorty headers are made out of 304 stainless steel and offer great quality, performance, and affordability. The LT swap shorty headers are mandrel bent, tig welded, and feature polished stainless steel construction. All of our LT swap shorty headers have been dyno proven. Speed Engineering stand behind our LT swap shorty headers in saying you will not find a better fitting, quality built, budget header for your vehicle.
"The LT swap shorty headers also have improved features over competitors. Utilizing V-Band collector construction, merge spikes, port matched flanges, and improved header to block/chassis clearance".
Features include:
- Mandrel Bent Tubing
- Full 1 5/8" Primaries
- 2 1/2" Collector
- V-Band Collector Construction
- Collector Merge Spikes
- Port Matched Flanges
- Gains over 18+ rwhp
- V8 Engines Only
- 5.3L, 6.2L, LT1, LT4 Engines (2014+)
- CNC Machined Flanges
- Natural 304 natural Steel
- Standard Graphite Manifold Gaskets
Note: "For LT Gen 5 series engine swaps only" These do not work on standard SBC or BBC.
Note: If using a larger 4L80E or older Turbo 350/400 transmission the bellhousing ears may need to be trimmed for proper clearance. Our headers are tucked in tight due to narrow older frame clearance. Fits 6, 8, and 10 Speed Auto Transmissions.
Vehicle Applications:
- 1960's, 1970's Camaro, Firebird
- 1968-74 Chevrolet Nova (Early 60s require aftermarket steering shaft)
- 1968-72, Chevelle (Early 60s require aftermarket steering shaft)
- 1960-1987 C10, K10, Pickups, Pannels: Chevy & GMC Trucks
- 1989-99 C1500 & K1500
Warranty Information
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