4058 - 1968-1972 GM A-Body Rear Shock Tower Brace, Bolt In 1993-pontiac-firebird-esi6766158 UMI’s A-arms are the ideal

UMI’s A-arms are the ideal choice for enthusiasts seeking superior quality and performance

Ester base stocks and friction modifiers provide additional slipperiness to lower operating temperatures by reducing the sliding friction in hypoid gears

200509 V10

6444 - 1963-1987 GM C10 Front Sway Bar Bracket- Stock Ride Height

In non limited-slip racing differentials and quick change units using the Red Line Shock Proof Gear Oils an additional 3 to 6 percent Red Line Limited-Slip Differential Friction-Modifier / Break-In Additive is recommended

4058 - 1968-1972 GM A-Body Rear Shock Tower Brace, Bolt In 1993-pontiac-firebird-esi6766158 UMI’s A-arms are the ideal4058 1968 1972 GM A Body Rear Shock Tower Brace, Bolt In