The Samsonas gearbox offers a true "Dog Gear" engagement in a easy to replace solution with no need for bell housing adapters or any custom chassis work... This is a very strong 5 speed (6 also available) gearbox. Made in cutting edge European machine shops; all forks, rods, selectors, and selecting-protection parts made from Billet Steel for strength. Also, this gearbox has additional protection from selecting gear revolutions during hard driving that may cause damage. All gears have 5 engagement dogs to make shifting easier during high revs out on the track. These kits are used in rally, rally cross, circuit/endurance, drag, hill climb, street racing and other disciplines throughout the world.
Kits contains: • Gears of highest quality and forged steel pre-installed into an OE housing • New type straight cut and special profile teeth for minimum rolling resistance and maximum strength; • Special design 5 dogs to make gear shifting on high revs easy and smooth. • All selectors, shifting fingers, protections, forks, rods are made from billet steel for maximum reliability.
We have fitted this gear kit on our own car and love it, plus the cost can't be beat! Finally... the transmission solution the BMW worlds has been waiting for! All engine applications include a complete gear set, and special unique billet gearshift lever for the cockpit to make shifting with dog-engagement gears smooth and accurate.
This gearbox fits: -S50 / S52 US -M50 / M52 all -S50b3 & S50b32 Euro -S54
5 Speed Gear Ratios:
Set 1
Set 2
4 Speed Ratio:
Set 3
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