Cadillac/GM JB4 MAP Sensor Bypass Extensions

$59.00

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Optional JB4 Harness Extensions for 4cyl models: These plug and play connectors simplify the installation and removal of JB4 and other Cadillac piggyback systems. Once installed you can bypass the difficult to reach lower MAP sensor by attaching the two connections to each other. Sold in pairs. Available here.

What's included
(2) Cadillac/GM JB4 MAP sensor bypass extension harnesses