BTR: .650" ULTIMATE RPM SPRING KIT WITH TITANIUM RETAINERS - SK703/6560/BB corvette iForged 0T Downpipe

0T Downpipe

Producing an additional 25-30 RWHP from our Uproar Series Exhaust System can only add to the fun when driving your Gen 5 Viper

2012-2016 BMW M135i/ix (F20/F21) L6-3

Couple this with a stage 1-3 WEAPON-X custom cam and you have a stock octane monster

5L Gas 2019-2019 Ford Police Interceptor Utility V6 3

BTR: .650" ULTIMATE RPM SPRING KIT WITH TITANIUM RETAINERS - SK703/6560/BB corvette iForged 0T DownpipeBTR Ultimate RPM Spring kitSk703 . 650" max liftBTR designed this valve spring kit for use in higher rpm combos ,especially for use with added cylinder pressures found in boosted applications. This kit was designed to help keep your valve train stable in the higher rpm ranges found in today's technically advanced valvetrain systems. Paired with light weight valvetrain components and the proper cam lobe design, we've run these past 9000 rpm in certain