ARP6413D - 64 pitch ultra light drag racing pinion 13 tooth
ARP6413D
SONIC 16T 64P SOLDER-ON PINIONS X-LIGHT -SON33XL-16
SONIC 17T 64P SOLDER-ON PINIONS -SON33XL-17
SONIC 15T 64P SOLDER-ON PINIONS -SON33XL-15
SONIC 18T 64P SOLDER-ON PINIONS -SON33XL-18
SONIC 20T 64P SOLDER-ON PINIONS -SON33XL-20