Precision Race Component .700" Lift Spring Kit

The all new PRC Xtreme Lift .700" spring kit features a completely new valve spring design for the ultimate in valve control with larger valves or huge lift! Precision Race Components Xtreme Lift Spring Kit Includes The Following: The Precision Race Components Double Springs Rated To .700" Lift @ 1.850" Install Height, Precision Machined Titanium Retainers, Hardened Machined Spring Seats, New Viton Valve Seals. This valve spring is the ultimate solution for customers looking for extra lift, or to better control for heavier valves! The .700" XL spring kit requires spring pocket machining on stock spring pocket cylinder heads, as a result we also offer this package with a spring pocket cutter, but keep in mind the heads must be off the engine to cut the spring pockets to clear the 1.361" springs!