Manley Chevy LS Valve Spring Kit-Springs/Steel Ret/Locators/Mach. Locks/ Seals 1997 pontiac firebird When combined with BMRs upper

When combined with BMRs upper and lower A-arms

without requiring any modifications

Minimize wheelhop and enhance the rear stability of your S550 or S650 Mustang by decreasing differential bushing deflection with a Differential Bushing Lockout Kit from BMR Suspension

tubular frame braces for added rigidity

while a more race oriented S550 with sticky tires will see slightly less of a reduction

Manley Chevy LS Valve Spring Kit-Springs/Steel Ret/Locators/Mach. Locks/ Seals 1997 pontiac firebird When combined with BMRs upperManley Performance LS & LT NexTek? valve spring kits take the guess work out of making your valvetrain race ready. Engineered for maximum durability, stability, and precision in high performance and racing applications, these chrome silicon alloy springs provide exceptional fatigue resistance and high tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these all inclusive kits, featuring premium springs,