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2009+ GM 4L60E Transmission Control Harness - 558-455 intermediate 1968-1970 Pontiac Tempest 400 CID

SKU: 67867781127

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Description

1968-1970 Pontiac Tempest 400 CID

1970-1972 Buick GS 455

380" Throttle Bore

at the Rear Wheels

2009+ GM 4L60E Transmission Control Harness - 558-455 intermediate 1968-1970 Pontiac Tempest 400 CIDOverview: Expanding on our Transmission Control options from Holley EFI. This new harness 558 455 from Holley EFI provides plug and play transmission control for the 2009+ GM 4L60 when used with a Dominator ECU. The 2009+ GM 4L60E contains an internal turbine speed sensor, which was not on the previous model year transmissions. Additionally, the valve body range selector is wired and controlled differently from the ECU. Features: Built in Relay Must

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