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Description
xLightning Force Performance (LFP) is pleased to introduce a transmission kit that will bullet proof your 4R100 transmission. Making power in the 99-04 Ford Lightning, 02-03 Harley Davidson and other pickups has been made easy but overlooked is the transmission. It will certainly take a beating transferring your power. All weaknesses have been addressed, a compilation of the best parts available resulting in the absolute strongest 4R100 for your truck! Easily handling 1000+ hp!
LFP EXtreme rebuild kit address all known weaknesses in your 4R100. From a complete gasket & seal kit, upgrading all shift points, adding Raybestos blue plates, upgrading all steels to performance Means steels to modified pressure plate and stronger sprag. LFP provides you with an affordable alternative to costly aftermarket transmissions.
LFP 4R100 LIGHTNING/HD REBUILD KITS AND UPGRADES
Check ETA as parts for this item are coming in from around the states. Build time is 2-3 weeks.
*Manufacturer, due to part shortages, may ship with alternate brand upgraded parts*
| Clutch Pack | Stock | Stage I | Stage II |
| Forward = 1st | 4 | 5 | 6 - APP |
| Intermediate = 2nd | 3 | 4 - APP | 4 - APP |
| Direct = 3rd | 4 | 7/8 - APP | 7/8 - APP |
| Overdrive = 4th | 3 | 3 | 4 - APP |
| Reverse | 6 | 6 | 7 |
| Coast - Engine Coasting | 2 | 2 | 3 |
APP = Alto Power Pack
- Stage I has Kolene Plates in Forward, Intermediate, and Direct.
- Stage II has Kolene plates in all clutch packs.
- Alto Red Eagle for all clutches in both kits.
Both Kits:
- Over Haul Kit - New Seals, Gaskets, Rubber Pan Gasket
- Bushing Kit
- Washer Kit
- Special 4R100 Rear Seal
- One Piece Case Bushing
- Heavy Duty Intermediate Sprag
- Heavy Duty Overdrive Spiral Lock Snap Ring
- Bonded Pistons - Overdrive and Coast
Stage II Kit Adds:
- Bearing Kit
- Pump Boost Sleeve & Valve
- Drain Back Valve
- TCC Control Sleeve Assembly
- Center Support Gasket
- Upgraded Clutch Packs in chart above
Recommended upgrades for Stage II Kit:
- Direct Drum
- Billet Input Shaft
- Billet Forward Drum
- Billet Intermediate Shaft
- LFP 11'' or 10.5'' Torque Converter
- LFP Factory Performance Valve Body
- K45FL Cooler
- Deep Sump Transmission Pan and Filter
Vehicle Fitment
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