FTI Dual Valve Spring Retainers - (5/16" & 8mm stem - 7° lock)
These super light chromemoly valve spring retainers were developed for use with most 1.290" diameter dual springs. High pressure valve springs require these premium quality, severe duty retainers to handle the high RPM usage today's camshaft provide. These FTI retainers are the perfect solution for installing the modern small diameter springs on any LS, AFR Renegade and other cylinder head with 8mm and FTI's custom heads with 5/16" valve stems. The retainers are precision machined from 4140 chromemoly steel, case hardened and black oxide finished. This retainer is precision machined and specifically designed for positive location when combined with PAC Racing and FTI's own high quality LSx dual valve springs.
RETAINER SPECS:
Hardened 4140 chromemoly steel
7° valve lock angle
1.245" Outside Diameter
0.880" O.D. - step 2
0.655" O.D. - step 1
DESIGNED FOR:
PAC Racing 1221X, 1204X and other 1.290" diameter dual springs.
Sold in sets of 16
PART NUMBER: FTI-RET310CM-16