GM LS Header Bolts M8 x 1.25mm, 1.181" (30mm) UHL - Black Finish 12 Point Head, Exhaust Components Polyurethane

Polyurethane

These one piece full flow double anodised 6061 T6 aluminium Hose Ends provide maximum fluid flow with no compromises

1st Gen NSX 2nd Gen CRX

These 6061 T6 aluminium

GM LS Header Bolts M8 x 1.25mm, 1.181" (30mm) UHL - Black Finish 12 Point Head, Exhaust Components PolyurethaneAF37 1013 GM LS Header Bolts M8 x 1. 25mm, 1. 181" (30mm) UHL Black Finish 12 Point Head, 8740 Material, Sold as a Pack of 12 Sold as a set of 12 Bolts 12 Point head tosuit 10mm spanner Thread Size M8 x 1. 25mm Overall Length 37mm Under Head Length 1. 181" (30mm), suits 3 8" wide flange When installing aftermarket exhaust headers you will need new header bolts, factory exhaust manifold bolts won't work as the flange could be thicker or the original