Holley Oil Pan Rock Shield - Black - GM LS-Series / GM LT-Series - GM Fullsize SUV / Truck 1973-87 Parachutes while the 6ALN has a

while the 6ALN has a built-in Rev Control

GMR2 GMRS/FRS Handheld

modern style with prominent raised GM and Bowtie logos

1-1/2 to 1-3/4 in Tubing

Holley Oil Pan Rock Shield - Black - GM LS-Series / GM LT-Series - GM Fullsize SUV / Truck 1973-87 Parachutes while the 6ALN has aHolley's popular cast aluminum oil pans (P Ns 302 4, 302 4BK, 302 24, and 302 24BK) designed to swap LS and LT engines into K10s and other trucks have just been brought to the next level. Vehicles that are actually going to be taken off road need additional protection. That's where the 302 35 oil pan rock shield comes in. This extra protection is for those wanting to go above and beyond the already tougher cast pan and protect the most important