Direct replacement and upgrade for Boss and std GT model. Designed for boosted applications and ANY cam on the market up to .550 lift. This is the only spring on the market tested beyond 2000 RWHP and 10000RPM.
Includes 32 springs and retainers. Works with all valves and valve locks. Cam limiters or MMR phaser deletes recommended. Kit comes standard w/chromoly steel retainers.
*ALL CANCELLED MMR ORDERS ARE SUBJECT TO A 15% CANCELLATION CHARGE. ALL MMR ORDERS WILL BE QUOTED WITH AN ESTIMATED LEAD TIME UP FRONT, AND ACCEPTING THIS LEAD TIME ALSO MEANS YOU AGREE TO CANCELLATION CHARGES OF 15%. THIS COVERS CREDIT CARD OR PAYPAL FEES, AND THE 10% MMR CANCELLATION FEE. IN ADDITION MMR CONSIDERS THEIR PARTS RACE PARTS AND THEY DO NOT ACCEPT ANY RETURNS ON ANY ITEM THAT THEY SELL.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
