Big Block Ford 429 & 460 Serpentine Conversion Kit All Inclusive SPARTAN WRAPTOR™ 6 Track Serpentine System for BBF 429 & 460 engines with 140 Amp alternator, GM Type II Power Steering Pump and Peanut Style AC compressor. Spring loaded Gates tensioner ensures proper tension during hard acceleration and deceleration while compensating for belt stretch. Places alternator on the driver's side above the power steering pump.