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Fitting: L3 S20 S40 SOHC (black 40mm ID speedo gear) Included: 1-5 Pro Series Carbon Lined Synchros, 1-5 synchro springs, 5 shaft bearings, bearing...

Synchrotech® 3rd-4th Pro Series Carbon Synchro Set Fitting: 92-01 GSR ITR B16 (Y80 S80 S4C S21 Y21 YS1 B16 B17 B18C)

Synchrotech® 1-5 Pro Series Carbon Synchro SetFitting:  02-06 RSX base model 5 speed and 02-05 Civic Si 5 speed (W2M5 NRH3)

Synchrotech is the world leader in transmission rebuild components.  Their parts can be found in both street and race cars world wide.  From drag, ...

Synchrotech Bearing & Seal Kit - H22A/F20B Synchrotech is the world leader in transmission rebuild components.  Their parts can be found in bo...

"All 7-14 days for parts manufacture/order processing before shipping" The STM Intercooler for the 2017+ Audi RS3 is made in-house from a 1000 HP-r...

The STM Timing Belt Replacement Kits are conveniently available for your Evo 9 with an affordable mix of genuine OEM Mitsubishi parts and Gates rep...

Every ounce counts! STM's super lightweight titanium lug nuts are sold as a complete set of 20 and threaded for M12 x 1.5 studs. These weigh in at ...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM braided nylon -10AN turbo oil return line kit for Evo 7/8/9 is des...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" STM exhaust flanges are USA made in Rochester New York laser cut from 3/8"...

The STM 5" Aluminum Intake for the 2018-2019 Jeep Grand Cherokee Trackhawk is a direct bolt-on install. This massive intake pipe will open up the s...

The STM Universal TiAL Blow Off Valve Flange Pipe is designed for those of you making custom intercooler pipes at home, but may not have a welder. ...

The STM Evo X MAF housing pipe is designed for those of you making a custom intake set up at home, but may not have a welder. Available with a 3, 3...

The STM Evo X Bellmouth Intake Pipe Kit incorporates a huge 6" velocity stack to utilize the air space of the giant K&N filter to keep air flow...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Exhaust Turn-Down for the 2020+ Supra GR is a direct bolt-on to yo...

The STM Fast Idle Air Valve Bypass Plate is cut from 1/8" aluminum and when sandwiched in the lower half of the throttle body, this blocks the unwa...

The STM Stock MAF Intake Pipe Kit is designed for your Evo 8/9 running the factory MAF sensor and will adapt to any stock-style blow off valve. The...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" STM Evo X O2 Housing Downpipe with Atmosphere Dump is the perfect bolt-on ...

The STM In-Line Fuel Pressure Gauge features a -6AN adapter for a clean and simple install. Comes fully assembled with PTFE tape. The fittings is b...

These replacement springs are used with the STM Denso-style coil on plug (COP) ignition kits for Evo 4-8 and Evo 9. These little springs can get da...

The 4.5" STM High Flow Universal Air Filter is 5" tall and is a compact, versatile air filter with plenty of volume for limitless applications. Fea...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Stainless Steel Cat-Back Exhaust for Evolution VIII-IX bolts direc...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM O2 Housing Downpipe combo is the perfect bolt-on addition to your ...

The STM Rear Toe Arm Eccentric Bolt Kit is comprised of all OEM Mitsubishi bolts for a perfect replacement fit on your 1995-1999 front wheel drive...

STM Garrett Dual Ball-Bearing Oil Restrictor Fitting is compatible with most ball bearing Garrett turbos, including 30/35R. Fits any turbo requirin...

The STM -10AN Mitsu-Series turbo oil drain fitting is typically used with the Mitsubishi 14B, 16G, T25, T28 and bolt-on Evo 7/8/9/X turbos among ma...

The STM 3/8" BSPT to -4AN Fitting is generally used to attach a turbo oil feed line to your 3/8" BSPT oil filter housing. Compatible with all 1990-...

The STM E85 -8AN Fuel Rail Fittings are machined in Rochester, NY and anodized black for compatibility with E85, gas and all corrosive racing fuels...

The STM -6AN Male to 14mm x 1.5 Female Bubble Flare Fitting is typically used with the DSM sending unit to convert lines to -6AN. Also fits the Evo...

The STM Stainless Steel Oil Pan Bolt Kit includes 19 Allen cap stainless steel bolts and is a perfect match for your new motor build! Fits all 6-bo...

Sick of your DSM oil dipstick popping out, spraying oil everywhere and potentially creating a severe fire hazard? Don't worry, we are too! The STM ...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" Genuine OEM Mitsubishi factory replacement exhaust manifold to head studs,...

The STM Shifter Cable Bearing Kit will give you a very firm shift. You'll need to press these in, but if you don't have a press, "big ass C-clamps"...

Genuine OEM Mitsubishi factory replacement rear toe adjustment bolt kit for the Evo 7/8/9 models is comprised of all OEM Mitsubishi bolts. One kit ...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" Genuine OEM Mitsubishi factory replacement exhaust manifold to head studs,...

STM Driveshaft Carrier Bearing Support Bushings are a direct replacement for your worn-out, factory, rubber bushings giving you a more solid feel o...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Evo 8/9 aluminum Power Steering Reservoir is a direct replacement ...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Power Steering Reservoir is a direct replacement for the factory E...

STM BOV recirculation hose is perfect if you need to reroute your blow off valve from the intercooler pipe back into the intake. This 90° silicone ...

The STM Engine Oil Cooler Delete Kit fits all Evo 7/8/9 and Evo X models and is as simple and easy as it gets. If you plan on removing your engine ...

The STM Boost Leak Tester includes a billet aluminum core with nozzle to test your system for leaks and ensure your set-up is solid. Includes your ...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Evo 7/8/9 transmission-mount engine oil catch can is designed to m...

This is the replacement upper silicone coolant hose for the STM small radiator kits for the Evo 7/8/9 and 2G DSM . This hose is compatible with ...

The STM Small Battery Kit for the 2002-2007 WRX and STi models includes everything needed to install in minutes. The factory battery weighed in at ...

The STM Odyssey PC925 Battery Kit for the Evolution X is more reliable than the smaller 680 style batteries, and still 11 pounds lighter than stock...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Evo 7/8/9 Coolant Overflow Reservoir is a direct replacement for y...