UMI Performance 1964-1972 GM A-Body Drive Shaft Safety Loop - Black 42036 Performer RPM #60509 is semi-machined

Performer RPM #60509 is semi-machined and must be finished by a professional cylinder head porter

Each manifold package includes anodized and laser etched fuel rails

K-Member clearance will need to be performed to accommodate low mount A/ C compressors (on 2009 & Up engines that came with VVT) Vehicles that came from the factory with a Slant-6 engine or 426 Hemi engine will need to swap out the K-member with one from a V8 engine (all except 426 Hemi)

Black Housing

373 lb/in Spring Rate

UMI Performance 1964-1972 GM A-Body Drive Shaft Safety Loop - Black 42036 Performer RPM #60509 is semi-machinedThis one piece NHRA legal drive shaft safety loop is a bolt in or weld in application for the 64 72 GM A body. Drive shaft loop is contoured for the A Body floor pan and bolts or welds into the reinforcement rib located behind the transmission. This is a must for tracks that require a safety loop for cars running faster than 13. 99 in the quarter mile. The entire loop is constructed of 0. 250" thick mild steel, CNC machined mounting points for a