ARP 625-1500 SAE Bolt Kit 3/8-16 x 1.500 hex 7/16 wrenching SS bolts ymm_28 Z4 M with S54 engine

Z4 M with S54 engine

Using a wideband air/fuel controller during the tuning process allows you to monitor AFR and adjust tuning parameters to optimize them for maximum power and efficiency

Fits Following Engines: 305 CID Chevrolet Small Block Generation I

Specifications Socket Size(s) 7/16 hex Diameter 1/4˝ OAL 2

the link pipe set L-AU/SS/6 is not needed

ARP 625-1500 SAE Bolt Kit 3/8-16 x 1.500 hex 7/16 wrenching SS bolts ymm_28 Z4 M with S54 engineSpecifications Socket Size(s) 7 16 hex UHL 1. 500 Thread Length 1. 000 Grip Length 0. 500 Thread Diameter Pitch 3 8 16 Grip Diameter 3 8 Wrenching 7 16 Head Height 0. 360 Collar Diameter 0. 700