GM LS Header Bolts M8 x 1.25mm, 1.181" (30mm) UHL - Black Finish 12 Point Head, Exhaust Components They have a billet aluminium

They have a billet aluminium handle and easy to mount slim design

Lexus ES300h 2012-Current

SHR-200-250BK

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

These 6061 T6 aluminium

GM LS Header Bolts M8 x 1.25mm, 1.181" (30mm) UHL - Black Finish 12 Point Head, Exhaust Components They have a billet aluminiumAF37 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