Perma Loc Posi Locks, 12-Point Black Oxide Barra Valve Springs allowing for aggressive tuning and

allowing for aggressive tuning and boost-by-gear setups

allowing maximum performance from Turbosmart Products

Turbosmart spring clamps feature superior corrosion resistance

Care should be taken when selecting boost pressures until the engine can be run on a dyno to ensure safety

Perma Loc Posi Locks, 12-Point Black Oxide Barra Valve Springs allowing for aggressive tuning and7 16" Stud With . 550" Body O. D, fits Aluminium Rockers (16 Pack) Part Number : AR300 8245 A= 1. 200" D= . 600" Exclusive 12 point head Patenteddesign Heat treated premium grade A 8740 chrome moly steel 190,000 psitensile strength Precision machined threads Locking set screw ground flush with rockerarm stud Doesnt require special tools;