Short Travel Race Lifters; GM SBC/LS1
Small Block 305 & 350, Use in Blocks Originally Equipped with Hydraulic Roller Cam (1987-Present Including LT1 & LS Series), Short Travel, Race Type
- Designed to perform at higher engine speeds
- When equipped with hydraulic lifters, high RPM is limited by improper position of lifter’s internal piston as lifter "pumps up"
- Improper location results in open valves that lead to lost power and possibly engine failure
- Minimize internal piston movement to allow higher engine RPM