JB4PRO for 2025+ C8 Chevrolet Corvette ZR1 LT7 (BETA)

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Description

JB4PRO for 2025+ C8 Chevrolet Corvette ZR1 LT7 (BETA)Power gains of up to 100whp peak and 220whp under the curve! JB4 is finally here for your C8 ZR1 Corvette! Featuring our latest JB4PRO hardware this system attaches to easy to reach connections in the engine bay, as well as your OBDII port, to retune the LT7 for higher power and torque levels. By intercepting and altering specific sensor signals dynamically the JB4 can safely reshape your boost, timing, and AFR profiles without having to unlock the

Complete Kit with CANbus ECA and PnP Harness = Includes a plug and play harness compatible with stock ECU flashes

0L twin-turbo

For automatic vehicles only

JB4 Honda Tuner Map Guide

Vehicle Fitment (Oval MAF hole only)

B58 Oil Filter Cap Install (same as S58)

• 2012-2015 F20/F21 M135i including xDrive

secure surface for most floor jacksDoes not touch painted surfacesBillet aluminum construction

RACE_IGN: Similar to RACE but ignition advance has been raised to 19 degrees peak

5 Series 2024+ G60/G61/G68 (all models)

It features 100% CNC-machined construction with zero welding for a precise fit and long service life

(1) Billet license plate bracket