Building your own Allison? Use the tools the pros use! These handy C3/C4 return spring compressors make lock ring installation and clutch stack measurements WAY easier.

Features:

• Easily compress the clutch stack to allow installation of the lock ring
• Easily measure clutch stack clearance
• Works for 5 & 6 speed Allison LCT1000 (LB7, LLY, LBZ, LMM, LML, L5P)
• 2 T-Bar Presses and Hardware Included

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