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HOOKER BLACKHEART HOOKER BLACKHEART LS SWAP EXHAUST MANIFOLDS – STAINLESS STEEL – POLISHED FINISH Multi-fit – 2.50 in. Outlet – Gen III/Gen IV Chevrolet LS Engine Part # 8503-1HKR

Original price was: $844.00.Current price is: $682.95.

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Multi-fit – 2.50 in. Outlet – Gen III/Gen IV Chevrolet LS Engine

Availability: 21 in stock

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HOOKER BLACKHEART

HOOKER BLACKHEART LS SWAP EXHAUST MANIFOLDS – STAINLESS STEEL – POLISHED FINISH

Multi-fit – 2.50 in. Outlet – Gen III/Gen IV Chevrolet LS Engine

Part # 8503-1HKR
Hooker Blackheart now offers stainless steel versions of our popular cast iron lineup of LS swap exhaust manifolds based on the 8502HKR and family. The new stainless steel manifolds offer a number of advantages over the cast iron version, including increased durability, reduced weight, and improved corrosion resistance. The shorty tight tuck design means you can route exhaust tubing close to your frame/floor pan for maximum ground clearance. These are available in both natural cast and polished depending on the look you’re going for and all hardware is included (gaskets, bolts, and flanges).

Features:

  • 2.5 inch outlet diameter offers improved flow for maximum performance from a cast exhaust manifold
  • Tight tuck design provides universal fit for most popular chassis and a clean traditional muscle car appearance
  • Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired
  • Polished finish, but also available in natural cast finish for a factory appearance
  • Nickel plated steel mating flanges, MLS mating flange gaskets, and mating flange hardware included
  • Stainless Steel construction to provide unmatched durability and corrosion resistance
  • Perfect complement to Hooker engine swap mount plates and Holley engine swap oil pans
Application Multi-fit
Bolt Size M8 x 1.25 x 25mm
Brand Hooker BlackHeart
Choose Your Part Manifold
Collector Diameter 2.50 inch
Emission Code 8
Engine GM Small Block Gen III/IV (LS Based)
Exhaust Series Hooker BlackHeart
Finish Polished
Header Style Manifold
Material Stainless Steel
Primary Tube Dia. 1-3/4 inch
Product Type Manifold
Tube Material Stainless Steel
Type of Component Manifold
UPC 090127475720
Part Number 8503-1HKR
Weight 25.75 lbs
Dimensions 20.9 × 9 × 12 in

Brand

Hooker

In 1962 Gary Hooker designed a header for his new 409 Chevrolet. He immediately found a demand for this header from other racers in the area. It was not long before Gary had hired employees and was operating Hooker Headers out of a building in South Ontario, CA. The Hooker philosophy was simple - make real, useable power by balancing the intake and exhaust pressure waves. This efficiently expelled all the burnt gases while drawing in the maximum fresh charge of fuel and air. The Hooker team would sometimes spend twice as much time developing a header to find 10% better performance. Slogans such as "Hooker - When Only The Best Will Do" or Hooker Headers - Do It Right The 1st Time" were often used.

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