ARP Piston Ring Compressor - 4.080 in Bore - Tapered - Black 29000BL and K1 Pro helmets to

and K1 Pro helmets to allow these models to be adapted for use as a top forced air helmet

Please contact Sparco customer service desk for more information

Uniquely designed shock shims are placed directly onto the shock shaft to simplify fine tuning of the chassis without disassembling the shock or even removing the shock from the chassis

Nomex underwear

ARP Piston Ring Compressor - 4.080 in Bore - Tapered - Black 29000BL and K1 Pro helmets toProduct Description: Piston Ring Compressor 4. 080 in Bore Tapered Billet Aluminum Black Anodized Sold Individually Since 1968, ARP is the fastener of champions and the world leader in fastener technology.