Hastings Piston Rings - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Chrome - 4-Cylinder 57450BK Cooler is rated at 250psi

Cooler is rated at 250psi working pressure and 300psi burst strength

This donut shaped 360 degreee Helmet Support is used in all pro classes

made from a special flexible pipe that provides maximum stability and allows for precise adjustment

Exactly contoured to the insides of our plastic noses & rear bumper covers for maximum protection

Hastings Piston Rings - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Chrome - 4-Cylinder 57450BK Cooler is rated at 250psiProduct Description: Piston Rings 3. 268 in Bore Drop In 1. 5 x 1. 5 x 3. 0 mm Thick Standard Tension Ductile Iron Chrome 4 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.