Earmuffs: Certified for track use as they offer excellent isolation from external noises
Projection and surface friction: Test to ensure helmet surface uniformity and that friction is minimized
The pressure upon the head can be adjusted by replacing the special foam rubber pads placed between the earmuff and the helmet
AN-08 Straight Hose EndAeromotive Inc
These 220cc aluminum cyilnder heads are available in either standard port or spread port exhaust configurations
AFR 11/32 Bronze Guide - .505" OD - SB Chevy/SB Ford R07C08XL Earmuffs: Certified for track useProduct Description: Valve Guide 11 32 in Valve 2. 000 in Long 0. 505 in OD Bronze Sold Individually Advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake systems, high performance direct fit and racing air filters, exhaust systems, intercoolers, turbochargers, electronic programmers, diesel fuel systems, throttle body