Engine › BILLETPROOF CLUTCH COVER BILLETPROOF CLUTCH COVER $0.00 Race proven worldwideImproves heat dissipationStronger than stockPrecision machined from billet T-6 aircraft quality aluminum to aerospace tolerances Purchase Added! Race proven worldwideImproves heat dissipationStronger than stockPrecision machined from billet T-6 aircraft quality aluminum to aerospace tolerances