Manufactured from nitrile coated spring steel layers. Stress formed embossment provides excellent sealing. Also provides stability and reduces cylinder bore distortion. Ideal for super charged, turbo charged, nitrous oxide and extreme compression ratios. For high performance street, drag race and oval track. Packaged individually. Product Features:Ss layers with a elastomer coatingStress formed embossments to seal ext pressureProvides stability and reduces cyl distortionFor high performance street drag and oval track
