ARP 234-2502 Balancer Bolt Kit for CHEVROLET Small Block ymm_21 They replace the restrictive factory

They replace the restrictive factory airbox and air filter to give you better performance and better engine sound

A centrally positioned collector

Specifications Socket Size(s) 1/2 hex

ARP offers High Performance Series bolts that are made from a premium grade chrome moly and hardened to a nominal tensile strength of 180

ARP 234-2502 Balancer Bolt Kit for CHEVROLET Small Block ymm_21 They replace the restrictive factoryAs the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200, 000 psi bolts that let you exert maximum clamping force. Special features include 1 4? thick, wide area washer and an extra tall 12 point head that accepts a deep socket and eliminates the worry of stripping the head. Now you can use premium quality ARP stainless