Edelbrock Performer-Plus Camshaft Kit - Olds 350-403 Turbocharger Blanket Because there are fairly wide

Because there are fairly wide tolerances in factory bolt holes

2001-2013 Chevrolet Express 3500

Mastersbilt Chassis 2008-13

spread port headers are required since the center ports are spread further apart then stock GM products

Sold in a 1-lb

Edelbrock Performer-Plus Camshaft Kit - Olds 350-403 Turbocharger Blanket Because there are fairly wideEdelbrock part #3712 Performer Plus camshaft is designed for small block Oldsmobile 350 403 V 8 applications. This Edelbrock cam kit produced 330 ft lbs. of torque when used with #3711 intake and stock iron cylinder heads on a 350 engine. The camshaft will produce optimum torque from the low end to the mid range, Performer Plus camshafts match with Performer manifolds for vehicles operating from off idle to 5500 rpm. This Performer Plus is a smooth