Pacific Performance Engineering 128136204 Stage 6 Complete Allison Transmission Without Torque Converter 2007.5-2010 Duramax LMM

The PPE Stage 6 Complete Allison Transmission (Part# 128136204) is a fully assembled, ready-to-install performance transmission built specifically for 2007.5–2010 GM 6.6L Duramax LMM-powered trucks. Engineered by PPE's team with over 35 years of Allison transmission experience, this Stage 6 unit delivers a significant upgrade over stock in both durability and shift performance. Note: Torque converter is not included with this transmission.

Key Features:

• Complete Ready-to-Install Unit – Fully assembled and upgraded, ready to drop in with no additional internal build required
• Recalibrated Valve Body – Provides quicker, firmer shifts and optimized performance under load
• Upgraded BST Valve – Improves line pressure and shift quality, especially during heavy towing or high-demand driving
• Heavy-Duty Clutches & Kolene Steel Plates – Selected for superior friction properties and thermal resistance to handle high-horsepower applications
• PPE Cast Aluminum Deep Pan – Increases fluid capacity and improves thermal management under extreme operating conditions
• Suitable for Street, Towing, or Race Track Use – Built to handle daily driving demands as well as performance and competition applications
• Fully Customizable – Additional upgrade options available; contact a PPE advisor for recommendations
• No Torque Converter Included – Sold without torque converter; compatible with PPE's billet triple-disc converter upgrades

Important Notes:

• A transmission core charge and transport case core charge must be added at time of purchase
• This product ships via freight; standard free shipping promotions do not apply

The PPE Stage 6 Complete Allison Transmission is the top-tier solution for Duramax owners who have exceeded the limits of their factory transmission. Whether you're building a high-horsepower street truck, a serious towing rig, or a competition vehicle, this unit delivers the internal strength and shift precision to match your power level.