Allstar Performance - 1:1 Pulley Kit Block Mount PS The 6 BTM lets you

The 6 BTM lets you dial away detonation by retarding the timing in relation to the boost pressure

9 in Length - 400 lb/in Spring Rate - Front - Steel - Silver Powder Coat - Each

HANS or other Head and Neck Restraint device anchor posts (not included) can be easily attached to the outside of the helmet using the installed M6 threaded inserts

Features include a mandrel-bent 3

Each distributor features an ignition module that produces a powerful inductive spark to improve combustion of the fuel mixture resulting in quick starts

Allstar Performance - 1:1 Pulley Kit Block Mount PS The 6 BTM lets youPulley Kit 1 to 1 2 Groove V Belt Aluminum Polished Small Block Chevy Kit