.4:1 gear reduction capable of cranking engines up to a whopping 18:1 compression! ... all Chevy V6 and small and big block V8 engines using 168 tooth flywheels. 10:1 ... Fits Chevy small block and big block engines. Strong enough to crank 11:1 compression ... 182.99 Features 1.4 hp 12 Clocking Positions 100% New ... 149.99 PSL101 Ford V8, 221-351 SB w/AT ... . . . . . . . . . . . .$149.99 PSL102 Ford V8, 221-351 SB w/MT ... . . . . . . . . . . . .$154.99 PSL103 Ford V8, 429 Boss-460 BB (late model) w/ MT ... 154.99 PSL104 Ford V8, 4.6L/ 5.4 V10, 6.8L ... and tested, equal to or beyond O.E.M. spec service parts. That gives Pro Amp ... load conditions to meet O.E.M. design specifications. 7750N 3G, 95 Amp, Alt, Aerostar 94-97 W ...