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More air means more usable power and acceleration throughout the engine's RPM range
durability and reliability
that will allow you to quickly switch between our different size supercharger pulleys on the car
Replacement to either the L98 or an aftermarket camshaft is recommended
400" is the factory length used in standard LS1
VCM LS, ROCKER, TRUNNION UPGRADE, KIT SD1370 sh More air means more usableCheap insurance for all LS powered vehicles. When subjected to higher lift cams and increased spring rates the stock needle bearing cages have shown their weakness and failed in performance applications. (The stock LS rocker arm from GM is very lightweight and works very well in the stock applications.) VCM Performance are now introducing a new high strength trunnion with a premium proprietary bushing to replace the stock pieces for increased strength
