SKU: 67867781127
Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
1970-1972 Buick GS 455
380" Throttle Bore
1982-1985 Chevrolet C15 350 CID
0 truck engines with 58x crank reluctor
6L V8 1970 - 1972 Chevrolet K10 Suburban 402/6
2009+ GM 4L60E Transmission Control Harness - 558-455 intermediate 1970-1972 Buick GS 455Overview: 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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