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IAG Spec PPG 1st - 4th Straight-CutSynchro Gear Set for 2004-21 Subaru STI The Weekend Warrior Gone are the days of blowing up stock six speeds, or having to resort to race-only solutions to support the high power levels that built Subarus now produce.The IAG-Spec PPG Straight-Cut 1-4 Synchro Gear Set is designed for w
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The kit features strong, straight-cut gears (vs. traditional helical gears) which provide maximum performance and durability for high horsepower Subaru's and can be safely driven on the street. The OEM gear shown on the left is cut in a "Helical" Style.
With synchro straight cut gears, and stock 5th gear, your car will drive as smoothly as stock, but with the characteristic whine of a dog box from 1st to 4th and enhanced power transfer efficiency. Of course the straight cut gears will absorb much more power than the stock helical gears.
22 sie 2011 · new oem 5th gear, new oem reverse. all new synchros, ppg shift forks for 1-2, 3-4, and 5-reverse, ppg billet synchro hub. ppg bronze speedo gear, i might be forgetting something else but everything that ppg makes was put into this transmission, so it is bullet proof in every way.
Straight Cut gears reduce drivetrain power loss and are designed using the same profiles as the PPG drag sets that are so popular amongst USA based Sport Compact teams.With various ratios available, these sets are not only very strong but also versatile in today's street and track landscape.Available as a full 1st though 4th upgraded gear set ...
– Straight cut 1st gear for minimal thrust loads when launching at full power. This protects the thrust bearings supporting the transmission shafts from the shock loads experienced during hard launches, especially when using puck type and multi-plate/rigid centre clutch assemblies.
