PEM Standard Quick Change Gears - Set #21 SC02101 The Race Ready version features

The Race Ready version features 100% CNC ported intakes while the higher flowing Competition version features 100% CNC ported intakes with greater detail

with a primary operating range of 2500-6800 rpm's (this range is an average and will vary with engine displacement as well as component selection)

7/16-20 in Right Hand Thread

Not Emissions Legal

PEM Standard Quick Change Gears - Set #21 SC02101 The Race Ready version featuresProduct Description: Quick Change Gear Set Standard Set 21 10 Spline 4. 11 Ratio 6. 28 2. 69 4. 86 Ratio 7. 43 3. 18 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.