Engine Valve Spring Retainer 2019 chevrolet corvette this manifold increases torque and

this manifold increases torque and horsepower from idle to 5500 rpm

BMR's K-members give you a lightweight

-4AN male to 1/8" NPT male fitting

PROFORM's Race Series carbs just got better because now the Gas/Drag models are available with billet annular boosters for increased fuel atomization and better throttle response

Adjustable Lower

Engine Valve Spring Retainer 2019 chevrolet corvette this manifold increases torque andThe Edelbrock #9602 Valve Spring Retainers are for #5745 & #5823 Valve Springs. They require 11 32" Valve Stems & 7 Deg Locks. They are made of superior quality steel and feature a black oxide finish to prevent rust and corrosion.