ARP 134-3103 Motor Mount Bolt Kit for CHEVROLET LS. mount bracket to block. 8 pc.. 8740. 12pt ymm_42 100˝ Thread Size M12 x

100˝ Thread Size M12 x 1

450˝ Thread Size 3/8˝ washers included

originally developed for NASCAR competition

the threads are obtained by stabilised rolling (a specific system to avoid fatigue cracks)

Diameter - Pitch

ARP 134-3103 Motor Mount Bolt Kit for CHEVROLET LS. mount bracket to block. 8 pc.. 8740. 12pt ymm_42 100˝ Thread Size M12 xSecure any engine with complete confidence with ARPs rugged motor mount bolts. You can choose between black oxide finished 8740 chrome moly or corrosion resistant stainless steel; choice of hex or 12 bolt head. Kits come complete with flat washers. Specifications Socket Size(s) 12mm 12pt Fits Following Engines: Chevrolet LS Series