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PAC Racing Complete LS RPM Dual Valve Spring Kit

PAC Racing Dual RPM LS Spring Kit
1.290 in Springs OD
145 @ 1.800 411 @ 1.150
8mm / 7° Locks
Titanium Retainer
Sold in Set/16
Please Call for Availability


Everything that you need for a complete valve spring assembly. Springs, seats, and retainers are included.

PAC-1206X Dual RPM Valve Spring
PAC-R435 Titanium Retainer
PAC-S129 Chrome Moly Spring Seats .030 Thick
8mm 7° Locks
Valve Seals


Installed Height (in): 1.810 in.
Seat Pressure at Installed Height (lbs): 141 lbs.
Open Height (in): 1.150 in.
Open Pressure (lbs): 405 lbs.



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  • 5.0 lbs.

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