This kit can produce anywhere from 2-200 PSI with enough volume to support 2500 HP from your big block Chevy. Includes our Belt Drive Fuel Pump (pg. 16), capable of producing high volume and supports high or low pressure whether its fuel injected (electric or mechanical), carbureted, blown, turbocharged or nitrous assisted. Kit includes: Belt Drive Fuel Pump (P/N 11105), BBC drive mandrel, pump pulley, crank pulley, cog belt, BBC mounting bracket, adjustment shims & hardware. Designed for lower left mounting. Modifications necessary for right-hand mounting. EFI applications use Aeromotive Regulator P/N 13113 (sold separately) Carbureted gasoline applications use Aeromotive Regulator P/N 13202 or 13212. (sold separately) Carbureted alcohol applications use Aeromotive Regulator P/N 13209 or 13214 sold separately.