PEM Premium Quick Change Gear Set - Set 1A - 10 Spline - 4.11 Ratio 4.23 / 4.00 - 4.86 Ratio 5.00 / 4.72 57BK 2020-2021 Chevrolet Silverado 3500 HD

2020-2021 Chevrolet Silverado 3500 HD

1969-1970 Mercury Marauder

Dynalite Calipers

Features:High voltage coil designed for short duration applications onlyPrimary and secondary windings are encased in Ciba polyurethane for vibration protectionExtremely low primary resistanceHousing is molded from a durable and high dielectric polyesterSupplied with rubber shock mountsFor MSD 7 and 8 ignitions only

PEM Premium Quick Change Gear Set - Set 1A - 10 Spline - 4.11 Ratio 4.23 / 4.00 - 4.86 Ratio 5.00 / 4.72 57BK 2020-2021 Chevrolet Silverado 3500 HDProduct Description: Quick Change Gear Set Premium Set 1A 10 Spline 4. 11 Ratio 4. 23 4. 00 4. 86 Ratio 5. 00 4. 72 Steel Sold Individually PEM Racing (Performance Engineering and Manufacturing) offers a wide selection of quick change gear sets, ring and pinion gears, differential cases, and other rear end components.