Proform Aluminum Rear End Cover - 8.5 in Turnlock Fastener This BBK under drive crank

This BBK under drive crank pulley kit is an easy way to free up an average 8-12 horsepower in under 30 minutes

Duration 277 / 293

Includes steel fitting to be welded to side of oil pan and a removable lightweight 1" NPT aluminum inspection plug

Melling suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation

Proform Aluminum Rear End Cover - 8.5 in Turnlock Fastener This BBK under drive crankProform Aluminum Rear End Cover 66668 8. 5 in 10 Bolt GM Black w Perfect Launch Logo Reinforced Lightweight Aluminum Strengthens Rear Housing Case Applications include: 98, Apollo, Bel Air, Biscayne, Blazer K5, Bonneville, Brookwood, C10 Pickup, C10 Suburban, C20 Suburban, Camaro, Caprice, Catalina, Century, Chevelle, Corvette, Custom Cruiser, Cutlass, Cutlass Salon, Cutlass Supreme PROFORM invites racers to experience the strength, innovation, and