PEM Standard Quick Change Gears - Set #18Q BR20005 you can activate different retard

you can activate different retard amounts at select times

drilled for studs with 5 on 4-1/2" or 5 on 4-3/4" bolt circles

Carb recommendations: Edelbrock AVS2 or Performer Series 600-650 cfm

and adaptors

Strip / Road Race

PEM Standard Quick Change Gears - Set #18Q BR20005 you can activate different retardProduct Description: Quick Change Gear Set Standard Set 18Q 10 Spline 4. 11 Ratio 5. 23 3. 23 4. 86 Ratio 6. 18 3. 82 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.