PEM Premium Quick Change Gear Set - Set 8A - 10 Spline - 4.11 Ratio 4.84/3.51 - 4.86 Ratio 5.70/4.14 - Steel 2010293 the design has to be

the design has to be perfected to accomplish the weight reduction to allow higher RPMs

Kit prevents mandrel bolt breakage and is made specifically for use with Allstar ALL31030 crank pulley

Vehicle Applications: Mazda Miata 1997-1990Vehicle Applications: Mazda Miata 1997-1990

BMR Suspension designed the CB005 Cradle Bushing Lockout Kit for any application

PEM Premium Quick Change Gear Set - Set 8A - 10 Spline - 4.11 Ratio 4.84/3.51 - 4.86 Ratio 5.70/4.14 - Steel 2010293 the design has to beProduct Description: Quick Change Gear Set Premium Set 8A 10 Spline 4. 11 Ratio 4. 84 3. 51 4. 86 Ratio 5. 70 4. 14 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.