Billet Specialties, GM SBC Tru Tac Serpentine, AC, PS, polished Gauge Service Parts 9 wideband relays AFR information

9 wideband relays AFR information to the ECU for accurate reading and precise tuning control

curved glass

Lasts longer

high impedance injector drivers

squeak free

Billet Specialties, GM SBC Tru Tac Serpentine, AC, PS, polished Gauge Service Parts 9 wideband relays AFR informationTru Trac Systems For Small Block Chevy Include: Polished Powermaster 170 amp 1 wire alternator Billet aluminum 1pc. alternator fan & pulley Natural finish Edelbrock reverse rotation water pump Billet aluminum water pump pulley Billet aluminum bridge bracket Patent pending polished aluminum tensioner engineered specifically for the Tru Trac system Billet aluminum tensioner pulley Billet aluminum crankshaft pulley Polished ARP 12 point stainless steel