ARP 204-4206 Head Stud Kit for PORSCHE 911 & 930 turbo SS ymm_81 The system also expands tuning Description MANLEY 11886 1
Platform notes & fabric story
Description
ARP 204 4206 Head Stud Kit for PORSCHE 911 & 930 turbo SS ymm_81 The system also expands tuning Description MANLEY 11886 1 The system also expands tuning potential while maintaining straightforward installation All Pro Series head bolts have a reduced wrenching hex or 12 point head and wide area flange to permit the use of larger diameter valve springs and eliminate the need for valve train removal during cylinder head retorquing Specifications Socket Size(s) 12mm 12pt