Chevy BBC 454 Aluminum Timing Pointer Polished These Speedmaster 8-71 and 6-71

These Speedmaster 8-71 and 6-71 supercharger manifolds are aluminum constructed and suitable for competition or street use

which allow you to modify your cam timing

Nitrous/injector bosses

Get up to four degrees of timing adjustment with Speedmaster adjustable timing pointers

to feed its sump tankâÃîdelivering enough fuel to power up to 800 HP engines

Chevy BBC 454 Aluminum Timing Pointer Polished These Speedmaster 8-71 and 6-71Get up to four degrees of timing adjustment with Speedmaster adjustable timing pointers. They're precision machined from T6 106 billet aluminum, and are designed for a minimum of clearance between the pointer and damper, so parallax errors reading the timing marks are virtually eliminated. Mounting hardware is included.