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Speed-Engineering

Speed Engineering LS Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1021

PART NUMBER:
25-1021
MPN:
25-1021
Availability:
Ships from Manufacturer
Shipping:
Free over $50 in U.S. 48
Type:
LS Swap Headers
Engine Fitment:
4.8L, 5.3L, 6.0L, 6.2L
Material:
304 Stainless 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
  • Speed Engineering LS Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1021
  • Speed Engineering LS Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1021
  • Speed Engineering LS Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1021
  • Speed Engineering LS Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1021
  • Speed Engineering LS Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1021
  • Speed Engineering LS Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1021
  • Speed Engineering LS Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1021
  • Speed Engineering LS Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1021
$219.99

Description

Speed Engineering LS Swap Conversion 1-5/8" Headers for 1960+ Chevy & GMC Trucks 25-1021

Speed Engineering headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our headers are mandrel bent, tig welded, and feature natural stainless steel construction. All of the headers have been dyno proven.

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
  • 4.8L, 5.3L, 6.0L, 6.2L Engines
  • CNC Machined Flanges
  • Natural 304 Stainless Steel
  • Standard Graphite Manifold Gaskets

Note: "For LS 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. Headers are tucked in tight due to narrow older frame clearance.

Vehicle Applications:

  • 1960's, 1970's Camaro, Firebird
  • 1968-74 Chevrolet Nova
  • 1968-72, Chevelle, (Early 60s require aftermarket steering shaft)
  • 1960-1987 C10, K10, Pickups, Pannels: Chevy & GMC Trucks
  • 1989-1999 C1500 & K1500
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Warranty Information

Speed Engineering offers a 1 year manufacture warranty on all of their brand name products. For all other manufacture products sold, warranties would be directed to that specific manufacture.
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