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 Replacement Parts: Square O-Ring: #MOR97321

Replacement Parts: Square O-Ring: #MOR97321

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

Three interchangeable injector nozzles to cover a wide variety of HP levels (250cc/min

1955-1985 Buick Century

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 Replacement Parts: Square O-Ring: #MOR97321Product 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.