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1978-1988 G-Body LS Swap Headers 1-7/8 Stainless Long Tube - Monte Carlo - Cutlass - Malibu

Part number: 70101306-RHKR
The G-Body defined the 80's for many GM fans. These underpowered rides had a great look but couldn't get out of their own way. Put modern horsepower into your grocery getter with performance products from Holley. Holley has engineered a complete solution of components to put an LS engine in and the power out.


  • For GM LS engine swaps into 1978-88 GM A/G-Body vehicles
  • 1-7/8" primary tube diameter and 3" collector diameter ideal for "hot" LS1/LS6/LS2 or 5.3L-6.0L Vortec truck engine swaps
  • Long tube design for optimum engine performance
  • 100% stainless steel construction
  • Designed for use with 12643HKR engine mounting brackets and 12644HKR transmission crossmember
Bolt Size M8 x 1.25 x 25mm
Brand Hooker BlackHeart
CARB (California) Compliant No
Collector Diameter 3.00 inch
Emission Code 4
Engine GM Small Block Gen III/IV (LS Based)
Header Finish Natural
Header Style Long Tube
Primary Tube Dia. 1-7/8 inch
Product Type Headers
Tube Material 304 Stainless Steel
UPC 090127728611
Part Number 70101306-RHKR