• 8620 steel alloy heat treated lightweight 10-spline gears with hobbed teeth
• REM ISF micro-finish for less friction and heat increasing overall gear life
• Lightweight drilled gears average 1.5 lbs. lighter which decreasing overall rotating weight
• Designed to be strong enough for Super Late Models, Sprint Cars and Big Block Modifieds, fit all major brands of full size quick change rears
**NOT ALL GEARS SETS ARE DRILLED ON BOTH GEARS, THESE ARE
DESIGNED BY ENGINEERS WITH TOOTH COUNT RECOMMENDATION,