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G45-1125 (67mm) and G45-1500 (76mm) You can click the hyperlinks to go directly to those product pages
making them the ultimate choice for drag racing
Compact design and universal fitment
resulting in efficiency that’s 30 percent higher than conventional pumps
Designed specifically for the BMW M50
BMW S63 Lifter Shim Set by Ferrea A91 G45-1125 (67mm) and G45-1500 (76mm)Ferrea Lifter Shim Set for BMW S63 Engines The Ferrea Racing Lifter Shim Set is engineered to enhance the valvetrain stability of BMW S63 engines, ensuring reliable performance under high RPMs and demanding conditions. These precision shims, installed beneath the stock hydraulic lifters, limit lifter travel to prevent valve float, maintaining optimal engine performance during high boost setups, track days, or racing events. Prevent Valve Float and
