ARP 400-1103 Header Bolt & Stud Kit for Chevrolet Small Block. 0.750˝ UHL. drilled ymm_47 Improved power and reduced back
Baker’s notes & crumb story
Description
Improved power and reduced back pressure
instructions
Power and torque are increased by 3
Specifications Material ARP2000 1) Thread Size 7/16˝ 2) UHL 1
200 1989-1991
ARP 400-1103 Header Bolt & Stud Kit for Chevrolet Small Block. 0.750˝ UHL. drilled ymm_47 Improved power and reduced backSpecifications Socket Size(s) 3 8 hex UHL (Qty: 12) 0. 750 Thread Size 3 8 washers included