ARP 235-4507 Head Stud Kit for Chevrolet Big Block w/Pontiac Pro Stock ymm_59 The change in performance is
Baker’s notes & crumb story
Description
The change in performance is a noticeable factor: compared in back-to-back runs on the Akrapovič dyno against a BMW M135i using a standard stock exhaust
this component is ideal for upgrading factory systems to advanced standalone engine management
Direct replacement for OEM Nissan crank angle sensor disc
Distinctive Akrapovic sound signature
This product fits on xDrive
ARP 235-4507 Head Stud Kit for Chevrolet Big Block w/Pontiac Pro Stock ymm_59 The change in performance isSpecifications Socket Size(s) 5 8 hex, 3 16 Allen