S&S Cycle .325in x .740in x .160in Breather Gear Shim
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S&S Cycle .325in x .740in x .150in Breather Gear Shim
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S&S Cycle .325in x .740in x .140in Breather Gear Shim
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S&S Cycle .325in x .740in x .130in Breather Gear Shim
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S&S Cycle .325in x .740in x .120in Breather Gear Shim
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S&S Cycle .325in x .740in x .110in Breather Gear Shim
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S&S Cycle .325in x .740in x .100in Breather Gear Shim
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S&S Cycle 99-21 BT 31 Tooth Outer Cam Pinion Gear
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S&S Cycle 77-89 BT Pinion Gear - Green
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S&S Cycle 77-89 BT Pinion Gear - Red
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S&S Cycle 58-81 BT 1.250in Std Length Tapered Pinion Shaft
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S&S Cycle 39-53 BT Splined Pinion Shaft Assembly
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S&S Cycle Backplate for Models w/ Throttle by Wire EFI
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S&S Cycle Backplate for Models w/ Super E/G Carburetors
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S&S Cycle 91-19 XL Models w/ Stock CV Carb Backplate
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S&S Cycle 93-99 BT Air Cleaner Backplate Shim Kit - .500in
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S&S Cycle Backplate Vent Breather Screw w/ Special Socket Panhead
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S&S Cycle 5/16in Air Cleaner Backplate Shim Kit - 12 Pack
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S&S Cycle 3/8in x .050in Retaining Ring
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ISR Performance 350Z LS1 T56 Transmission Shifter Extension Relocation Kit
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About Pure Auto Performance
Pure Auto Performance started with a simple idea: helping people find quality parts they can trust without the stress and confusion that usually comes with upgrading a car. We’re enthusiasts just like you, and we know how much pride goes into every build. Whether it’s improving a daily driver or working on a long-term project, the right part can make your car feel brand new again. That’s why we put care into everything we offer, choosing products that genuinely make a difference on the road.
We also believe car parts should be more than just nice to look at they should last, perform well, and fit the vision each driver has. Some customers prefer clean, subtle upgrades, while others love bold changes that completely transform their vehicle. No matter the style, our goal is to make the process easy, honest, and enjoyable. At Pure Auto Performance, we’re here to support you at every step so you can build a car that feels right for you. This brand is more than a store. It’s a community of people who love driving and want the best for their cars.

