63 - 79 GM-NOS Discontinued Rear End Cap / Product Number: RS316 C-1 '53-'62 Machined from tool steel to

Machined from tool steel to ensure a lifetime of use

145 #RS192KIT

Bolts are 2-inch longer

T/Arm Shim Kit

GM-NOS Discontinued Wire Retainer 4-Wire

63 - 79 GM-NOS Discontinued Rear End Cap / Product Number: RS316 C-1 '53-'62 Machined from tool steel to1963 to 1979 GM NOS Discontinued Rear end cap. When using Cap on 1977 and prior years. Need to change lower spring plate to GM# 457977 RS237 and add GM# 459032 RS315 spacer plate kit. New GM cover use 7 16 attachment bolts. Need to Add GM Differential Fluid KIT RS317. Kit contains 1 GM Posi Traction Additive, 2 GM Rear axle lube bottles, 1 GM rear end gasket, 1 GM Vent Cap DO NOT OVER TIGHTEN BOLTS, YOU WILL CRACK THE DIFF COVER! GM Cap Part # 464909