Longacre® 52-50000 Tireliefs (set of 4)

Relieves tire pressure buildup as you race automatically Use with quick change adapters or mount directly in your wheels by drilling a 1/8" NPT thread hole 100 mesh inlet filter - to keep dirt inside tire from plugging Tirelief Light weight aluminum - only 9 grams - won't affect wheel balance Designed only to relieve normal tire pressure buildup on the track and should not be used as a safety device