551478 Solenoid Plug Skip Shift For T56 Transmission LS1 LS

Solenoid Plug Skip Shift for LS1, for LS

This solenoid plug skip shift for LS1 and for LS deletes the restrictive computer-controlled 1-to-4 shift feature on T56 manual transmissions, referencing part number 551478.

Overview

This solenoid plug skip shift for LS1 and for LS blocks off the skip-shift solenoid port when converting or simplifying manual transmissions. It allows drivers to shift from first gear directly to second without computer interference. Automotive enthusiasts use this solenoid plug skip shift for LS1 and for LS to achieve an unrestricted shifting experience during track or performance driving.

Built For Performance

• Billet aluminum construction resists corrosion and transmission heat
• Double O-ring seal design prevents transmission fluid leaks
• Direct bolt-in design replaces the bulky OEM solenoid
• Anodized finish protects against environmental wear

Fits These Machines

• for LS1 engines with T56 transmissions
• for LS series engines with T56 transmissions

On-The-Job Use

• Disabling the shift lock on manual sports cars
• Cleaning up the transmission tunnel area during custom engine swaps
• Preventing fluid weeping around old, failing solenoid seals

Specs At A Glance

Good To Know

Q: Will installing this plug trigger a dashboard warning light? A: Removing the solenoid will trigger a check engine light on stock computers unless the skip-shift function is disabled in the tune.

Q: Does this plug seal the fluid chamber completely? A: Yes, the integrated rubber rings form a tight seal to hold fluid inside the transmission case under pressure.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.