The Challenges
We take each TH-350 and make numerous improvements that have been well thought out and made for optimal performance in mind with these transmissions. The pumps have all been rebuilt to MP specs. We tossed out the factory friction plates and replaced them with our high performance friction plates. Not only will this improve performance, but the clutches will last longer due to reduced slippage. We also replaced the intermediate roller clutches, new thrust bearings and races. New thrust bearings and races reduce the possibility of lateral movement of components resulting in less failure and better reliability. And the list of mods goes on and on. Take a look at our custom build options below.
- PART#TH-350 TRANSMISSION STAGE 1
- 113-1100Includes: Performance Overhaul with Borg Warner Frictions and Band, 5 Clutch High Gear Direct Drum, Hardened Outer Race with New Intermediate Roller Clutch, New Design Low Roller Clutch, MP Calibrated VB & Pump (Increases Clutch Holding Power Capacity, Cooler Flow, and Shift Firmness), Wide Support Bushings in Select Locations, New Washers & Bearings, and Standard Depth Chrome Pan. Rated @ 550 HP/TQ
- PART#TH-350 TRANSMISSION STAGE 2
- 113-1200Includes: All upgrades of Stage 1 plus Upgraded 36 Element Intermediate Sprag Assembly with Spiral Lock Ring, HD Center Support with Taller Low Roller Clutch Assembly, and Welded Sun Gear Ring. Rated @ 700 HP/TQ
- PART#TH-350 TRANSMISSION STAGE 3
- 113-1300Includes: All upgrades of Stage 1 & 2 plus 300M Billet Steel Input Shaft, Fully Rollerized, and 3rd Gear Cutback Delete. Rated @ 800 HP/TQ (N2O Kits OK)
- PART#OPTIONAL PARTS
- 113-7000TH-350 Deep Aluminum Pan
113-8000Forward Pattern Manual Valve Body (PRND21)
113-8001Reverse Pattern Manual Valve Body (PRN123)
113-8002Trans Brake Valve Body (PRN123)
113-90032.75 Low Gear Set (800 HP Max)
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