Allstar Performance Billet Aluminum SB Chevy Gear Drive Set BR10075 Earmuffs: Certified for track use

Earmuffs: Certified for track use as they offer excellent isolation from external noises

High-flow electric motor perfect for race applications

Angled Chest Zipper & Button Enclosure allows space for sponsorship names

Straight pin design allows height adjustment by relocating the shim stack for more accurate and precise changes versus changing out entire pin

Our Nomex fire socks have been designed specifically to withstand multiple hundreds of degrees of heat for upwards of a minute or more to provide the wearer with maximum protection in the event of a fire

Allstar Performance Billet Aluminum SB Chevy Gear Drive Set BR10075 Earmuffs: Certified for track useAluminum gear drive provides accurate cam timing and the ability to adjust valve timing without removing the oil pan. Aluminum frame features a built in front oil pan gasket retainer and an idler gear cradle for accurate cam timing throughout the RPM range. Gear drive are complete with cam, crankshaft and idler gears, needle bearing thrust kits, offset degree bushing kit, extra long dowel pins and installation instructions. Gear drives are commonly