S Brand Collection

Fuse Box Harness made to OEM Spec.Made with quality flame retardant materials, quality copper reinforced rin terminal, precision copper wire and un...

SpeedFactory Racing 4140 Head Stud Kit for Honda D-Series (All)We are proud to introduce our new D-Series Head Stud Kit that fits all variants!No m...

This is a high-quality direct factory replacement TPS (Throttle Position Sensor) with included mounting hardware and gasket, and it comes with a 1-...

Replaces:Toyota - 89452-301504 pin

The EF3632 12" SPAL Fan is individually balanced for long life and features a fully sealed water & dust-proof motor of superior quality.SPAL Fa...

STM billet aluminum brake fluid reservoir cap for Evo 7/8/9 and Evo X models. Available with the raw machined aluminum finish or anodized black. Si...

SpeedFactory Racing USDM D15B Vitara Spec No-Notch Forged Steel H-Beam Long Connecting RodsVitara piston turbo D15 builds are one of the most popul...

K20 6 Speed 29T 3rd GearSynchrotech Pro Series 1.51 Ratio main shaft 3rd gearFitting: 2001-2010 Honda Acura K20 6 speed 29 tooth

STM Evo 7/8/9 adjustable lower rear control arms are designed for street use, road racing, drag racing and auto cross. These control arms will allo...

The STM lightweight 925 (AGM28L) battery kit for Evo 7/8/9 is a great option to drop some weight, clean up the engine bay and still keep a reliable...

Synchrotech 3rd 4th & 5th Carbon Synchro Set for:1994-2001 Acura Integra GSR - B18C1 Transmissions1997-2001 Acura Integra Type R - B18C5 Transm...

Description: These gears are direct fitment for the 98-01 CRV and 92-01 H22 Prelude Ratio: 0.68 Long 5th Gear Set (35T M/S X 24T C/S) Fitting:  98-...

Fitting: 2002-2004 Acura RSX Type S K20 6 speed (X2M5) Dual cone (3 piece 5/6)- Note the 2005+ gear boxes have different 5th and 6th synchro'sInclu...

Fitting: YS1 (B16/B17) Included: 1-5 Premium Brass Synchros, 1-5 synchro springs, reverse synchro and spring,1-5 slider sleeves, 5 shaft bearings, ...

Fitting: B18B Y80 S80 (LS model) Included: 1-5 standard brass synchros, 1-5 synchro springs, reverse synchro and spring, 5 shaft bearings, bearing ...

Fitting:  92-95 Civic EX/Si SOHC D16 S20 (black 40mm ID speedo gear on diff) Included: 1-5 Pro-Series Carbon Lined Synchros, 1-5 synchro springs, 1...

Fitting: 89-91 CRX/Civic Si SOHC D16 L3 (black 40mm ID speedo gear on diff) Included: 1-5 Pro-Series Carbon Lined Synchros, 1-5 synchro springs, 1-...

Fitting: 1996-2003 Mitsubishi Evolution 4/5/6/7 (5 speed trans)  Included: Synchrotech® 1-5 Pro Series Carbon Synchro Set

Synchrotech® Pro Series Carbon Synchro (QTY 1 Individual Synchro) Fitting: K20 EP3 5/6 with 65mm ID

TR3650 Bronze Shifter Isolator Cup Bushing Fits: 2001-2004 Mustang GT 4.6L TR3650

Synchrotech Pro Series 2.13 Ratio C/S 2nd gear Direct replacement for OEM 49 tooth 2nd gear Fitting: K20 6 speed 2001-2010 Power Rating: 500 WHP

 TKO Bronze Shifter Bushing Fitting: Tremec 3550 TKO500 TKO600

T56 T45 Carbon Synchro Center Friction Ring Fitting: Tremec T56 or T45 1st or 2nd gear (All Except Corvette GTO CTS)

T56 Bronze Shift Fork Pad (1 Piece)Fitting: Tremec T56 5-R 

T56 Bearing Seal & Carbon Synchro Rebuild Kit Fitting: Tremec T56 (All Except Corvette GTO CTS)

1994-2001 Acura Integra Type R (USDM) Y80 S80, B16A2 S4C Y21 31 tooth Counter Shaft 4th gear

1994-2001 Acura Integra Type R (USDM) Y80 S80, B16A2 S4C Y21 28 tooth Main Shaft 4th gear

1994-2001 Acura Integra Type R Y80 S80, B16A2 S4C Y21 24 tooth Main Shaft 3rd gear

This gear is a direct fitment for the 94-01 Integra B18C GSR and can also be installed with upgraded dual synchro in the 92-01 Integra LS. Ratio: 1...

These gears are direct fitment for the 94-01 Integra B18C GSR. They are designed with a replaceable synchro gear cone. Even when you damage the eng...

Synchrotech® 1-6 Pro Series Carbon Synchro Set Includes: 1-4 Carbon Middle Friction Rings and 5-6 Carbon Synchros Fitting: V160 6 speed Toyota Sup...

Synchrotech® 1-6 Pro Series Carbon Synchro Set  1-4 Steel inner & outer with carbon center frictions & 5-6 carbon steel synchros Fitting: V...

Fitting: B18B Y80 S80 (LS model) Included: 1-5 Pro-Series Carbon Lined Synchros 1-5 synchro springs Brass reverse synchro and spring 5 shaft be...

Includes: 1st-2nd Hardened Sleeve, Springs, and Pro Series Carbon Synchros Fitting: 1992-2001 Integra GSR, B17A, JDM YS1 (Integra XSI/RS...

Fitting: L3 S20 S40 SOHC (black 40mm ID speedo gear) Included:  5 shaft bearings bearing clip 2 axle seals input seal shift rod seal a new dust...

Fitting: GT86 FRS/BRZ 2013+

Fitting:  Y2M3 PNN3 PNN4 NSN4 NPR3 NPQ3 NRH3 X2M5 W2M5 Included: 2 axle seals input seal shift rod seal.

Fitting: Toyota & Lotus C56 C59 C60 C64 C66 2000-2013 Replaces OEM 33038-20010

Fitting: 97+ Tremec T56 Corvette 

Fitting: Tremec TKO

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) 1-2 triple cone and sin...

Supertech Dual Valve Spring & Retainer Kit - D Series All Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Ste...

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...