JE Pistons J820F8-4500-5 Hardened Nitrous Series Piston Ring Set, 8 Cyl. 4.500 in. Bore, 1/16 x 1/16 x 3/16 in. Thick, Hard Ductile Iron, Phosphate, File Fit

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JE Pistons J820F8-4500-5 Hardened Nitrous Series Piston Ring Set, 8 Cyl. 4.500 in. Bore, 1/16 x 1/16 x 3/16 in. Thick, Hard Ductile Iron, Phosphate, File Fit

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Current price is: $73.71. Original price was: $245.70.

Current price is: $73.71. Original price was: $245.70.

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SKU: KIR5518501 Category:

Product Description

ARP manufactures a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers including the popular stainless stud kit with 12-point nuts. The ARP Stainless material is not affected by corrosion or extreme heat, making it ideal for the application.

What?s more, the compact 12-point nut lets you easily slip a socket close to the pipe. Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading.

Studs and bolts come either black oxide chrome moly or polished ARP Stainless. Both are nominally rated at 180,000 psi tensile strength; substantially stronger than Grade 8 hardware. Specially drilled “NASCAR” models are available for those who wish to safety wire their header bolts to prevent loosening.

Thread Size:
M8 x 1.25
Style:
Bolt
Underhead Length (in.):
1.181 in.
Head Style:
Hex
Material:
Stainless steel
Finish:
Polished
Quantity:
Sold as a set of 12.
Special Attention:
Anti-seize should be used on all stainless steel fasteners.
Make:
Chevrolet
Engine Family:
Chevy small block Gen III/IV (LS-based engines)
Engine Sizes:
4.8L/294-7.0L/427
Years:
1997-2019