Hastings 4.310" Bore Piston Rings File Fit 5/64 x 5/64 x 3/16" Thick Low Tension - Moly M593 The Delta deflectors generate increased

The Delta deflectors generate increased scavenging for better performance and reduced interior sound

Degree Wheel - 16"The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

The Top Air system fits over the forward two holes and extends down the front of the helmet and just under the top of the visor

CNC-machined 6061-T6 billet aluminum

2-7/8 in Smart Tube

Hastings 4.310" Bore Piston Rings File Fit 5/64 x 5/64 x 3/16" Thick Low Tension - Moly M593 The Delta deflectors generate increasedProduct Description: Piston Rings Premium Ductile Moly 4. 310 in Bore File Fit 5 64 x 5 64 x 3 16 in Thick Low Tension Ductile Iron Plasma Moly 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.