Easter Sale 2026

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 -10AN G-Series turbo oil drain fitting is typically used with the PTE turbos and non-ball-bearing Garrett turbos among many other applicati...

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 Female 1/8 BPT to Male -6AN Fitting can be used to turn your factory Mitsubishi PCV valve into a -6AN check valve. Confirmed to fit with th...

The STM E85 -6AN O-Ring Boss to 7mm Barb Fitting is generally used on the bottom (Return Port) of fuel pressure regulators for the DSM & Evo 8/...

The STM 1G DSM E85 -8AN Fuel Rail Outlet Fittings are machined in Rochester, NY and anodized black for compatibility with E85, gas and all corrosiv...

The STM 1G DSM E85 -6AN Fuel Rail Outlet Fittings are machined in Rochester, NY and anodized black for compatibility with E85, gas and all corrosiv...

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 E85 -6AN 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 Wire Bulkhead Fitting is primarily used in fuel tanks to get wires through to your pumps. Requires a 3/4" hole to be drilled through the f...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" STM has teamed up with Remflex to bring you the perfect, custom fit, graph...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" STM offers this replacement exhaust turn-down for the racer who wants ever...

The STM -8AN Fuel Bulkhead Fitting is designed to attach to your fuel pump hanger by drilling out the old feed line. This is perfect for multiple-p...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Axle-Back Exhaust / Muffler Delete for the Nissan 370Z bolts direc...

The STM -6AN Fuel Bulkhead Fitting is designed to attach to your fuel pump hanger by drilling out the old feed line. This is perfect for multiple-p...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM 3" stainless steel downpipe for the AWD 2G DSM will bolt up to any...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM 3" stainless steel downpipe for the AWD 2G DSM will bolt up to any...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM full 3" Stainless Steel Turbo-Back Exhaust for the 2G AWD DSM is m...

STM Brake Lines for 2020+ Supra GR includes a full set of 4 lines for front and rear with factory style fittings for a direct replacement upgrade. ...

If you need to replace the rotors on your STM Rear Drag Brake Kit, this is the standard option. If you previously had the scalloped rotor, this is ...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM Stainless Steel Cat-Back Exhaust for the 1995-1999 2G AWD DSM weig...

If you need to replace the rotors on your STM Front Drag Brake Kit, this is the standard option. If you previously had the scalloped rotor, this is...

The STM Billet Aluminum Engine Oil Cap is now available for the 2016+ Ford Focus RS models! Machined in the USA and finished with a stealth, black ...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" This bolt kit is comprised of OEM Mitsubishi hardware for the Evo 4-9 with...

The STM Evo X Stainless Engine Bay Bolt Kit includes a master set of 186 bolts, washers and nuts to replace your old, rusted and faded hardware wit...

The STM-Spec Manley Evo IV-IX Custom 11.5:1 Pistons for 2.0L 4G63 are now available! These are the same gas ported pistons we have been testing in ...

If you need to replace the rotors on your STM Rear Drag Brake Kit, this is the lightweight scalloped option. If you previously had the standard rot...

The STM Evo X Stainless Headlight & Fender Bolt Kit is a direct replacement for your old, faded factory bolts. Because the details matter!Inclu...

"Allow 7-14 days For Parts Manufacture/Order Processing Before Shipping" The STM DSM Recirculated O2 Housing is designed around the 38mm TiAL MVS W...

If you need to replace the rotors on your STM Front Drag Brake Kit, this is the lightweight scalloped option. If you previously had the standard ro...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Evo X Stainless Intake Manifold Bolt Kit replaces all your worn, f...

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...

If you need to replace the caliper on your STM rear drag brake kit - this is the one! Sold individually, price is for one caliper.The DynaPro Singl...

The STM Evo X Stainless Power Steering Bolt Kit is an easy upgrade for your old, rusted factory bolts! This kit pretty much covers the left side of...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM Subaru driveshaft to rear end bolt kit for the 2004-2007 STi model...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" The STM 4G63 Manifold/Cylinder Head Block Off Plates are designed to compl...

If you need to replace the caliper on your STM front drag brake kit - this is the one! Sold individually, price is for one caliper.The Forged Bille...

Wilwood replacement caliper rubber oring kit includes four 1.38" square style seals. Compatible with all brake fluids and specifically designed for...

"Allow 7-14 Days For Parts Manufacture/Order Processing Before Shipping" The STM DSM Recirculated O2 Housing bolts to Mitsubishi-style turbos and c...

Wilwood replacement caliper rubber oring kit includes four 1.75" square style seals. Compatible with all brake fluids and specifically designed for...

Wilwood’s Caliper O-Ring kits are a convenient way to purchase and use caliper crossover seals for periodic maintenance of your Wilwood Calipers. C...

The STM 4G63 Manifold/Cylinder Head Block Off Plates are designed to completely seal off your intake or exhaust ports while you have the manifolds ...

"Allow 7-14 days For Parts Manufacture/Order Processing Before Shipping" The STM O2 Housing Atmosphere Dump fits with the FWD 1G and FWD/AWD 2G DSM...

If you need to change out the rotor discs on your STM Drag Brakes, these are the bolts you'll need! Each rotor requires 8 bolts and washers. Must b...

"Allow 4-6 Weeks For Parts Manufacture/Order Processing Before Shipping" This bolt kit is comprised of OEM Mitsubishi hardware for the Evo 4-9 with...

"Allow 7-14 days For Parts Manufacture/Order Processing Before Shipping" The STM DSM Atmosphere Dump O2 Housing fits with the FWD 1G and FWD/AWD 2G...