Small Block Chevy Polished Stealth Ram™ Multi–Port Power Pack kit for Vortec heads includes: Polished Stealth Ram™ intake (idle–6500 RPM Power Band) and 2 X 58 mm Throttle Body
New Holley Stealth Ram™ Small Block Chevy Multi–Port Power Pack kits are partially assembled and do not include an ECU, harness, fuel pump, Injectors
or sensor connectors. These kits are intended to be used in conjunction with a Holley HP or Dominator ECU. Holley EFI Power Pack kits can also be used with any aftermarket speed–density type ECU's that are designed for use with a multi–point system.