Supercharger Snout Pulley Bolt Kit 1.25" 3/8" Fine Thread (Qty.6) short block engines are the

short block engines are the solution to a hassle-free power build

making them a great choice for your disc brake conversion

they utilize a cotton gauze with aluminum mesh construction

Speedmaster Chevy LS2 rotating assembly featuring a precision-ground forged 4340 steel crankshaft

This body has a much larger diameter then your existing throttle body

Supercharger Snout Pulley Bolt Kit 1.25" 3/8" Fine Thread (Qty.6) short block engines are thePCEs stainless steel blower pulley bolt are polished to match the rest of high luster finish on your Speedmaster blower kit. They're precision machined for optimum thread engagement and have a wide area flange for better load distribution. They also feature precision rolled threads which prevent galling.