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Due to high volume of orders, please inquire about inventory if it is not directly listed on the product.

Financing available for as low as 0%.

18+ STI Motor Builds

New Provisions Racing Replacement Invidia Gasket Kit* Subaru - Universal

New Provisions Racing Replacement Invidia Gasket Kit* Subaru - Universal $43.99

ARP Pro Series Head Stud Kit 11mm - 2002-2014 WRX / 2004-2021 STI

ARP Pro Series Head Stud Kit 11mm - 2002-2014 WRX / 2004-2021 STI $226.38 $257.25

Subaru OEM Engine Gasket Kit - 2008-2021 STI

Subaru OEM Engine Gasket Kit - 2008-2021 STI $348.47

GSC Stainless Steel Intake Valves STD Size - 04+ STI / 02-14 WRX

GSC Stainless Steel Intake Valves STD Size - 04+ STI / 02-14 WRX $128.66

ARP Custom Age 625+ Head Stud Kit 11mm - 2002-2014 WRX / 2004-2021 STI

ARP Custom Age 625+ Head Stud Kit 11mm - 2002-2014 WRX / 2004-2021 STI $586.21 $655.40

King Engine Bearings Standard Connecting Rod Bearing Set - 02-14 WRX / 04-19 STI

King Engine Bearings Standard Connecting Rod Bearing Set - 02-14 WRX / 04-19 STI $58.00

Gates Timing Belt Kit w/ Water Pump - 04-20 STI / 05-07 WRX

Gates Timing Belt Kit w/ Water Pump - 04-20 STI / 05-07 WRX $352.96 $440.46

Subaru OEM Valve Cover Gasket - 04+ STI / 06-14 WRX

Subaru OEM Valve Cover Gasket - 04+ STI / 06-14 WRX $22.38

IAG Wrist Pin / Cover Seal Kit - Subaru EJ25 Short Blocks

IAG Wrist Pin / Cover Seal Kit - Subaru EJ25 Short Blocks $125.99

Subaru OEM Water Pump and Gasket - 02-07 WRX / 04-21 STI

Subaru OEM Water Pump and Gasket - 02-07 WRX / 04-21 STI $145.95 $150.53

GSC Viton 6mm Valve Seal Set - EJ205 / EJ207 / EJ257

GSC Viton 6mm Valve Seal Set - EJ205 / EJ207 / EJ257 $14.24

GSC Stainless Steel Exhast Valves STD Size - 04+ STI / 02-14 WRX

GSC Stainless Steel Exhast Valves STD Size - 04+ STI / 02-14 WRX $127.53 $134.80

Gates Timing Belt Kit - 04+ STI / 04-14 WRX

Gates Timing Belt Kit - 04+ STI / 04-14 WRX $243.57 $356.14

GSC Beehive Spring Set w/ Titanium Retainers - 04-21 STI / 02-14 WRX

GSC Beehive Spring Set w/ Titanium Retainers - 04-21 STI / 02-14 WRX $399.92

King Engine Bearings Standard Size Main Bearing Thrust Bearing #5 - 02-14 WRX / 04-19 STI

King Engine Bearings Standard Size Main Bearing Thrust Bearing #5 - 02-14 WRX / 04-19 STI $98.00

Subaru OEM Crankshaft Rear Seal - 02-14 WRX / 04-20 STI

Subaru OEM Crankshaft Rear Seal - 02-14 WRX / 04-20 STI $12.25

Manley Forged Steel H-Tuff Beam Connecting Rods Set - 02-14 WRX / 04+ STI

Manley Forged Steel H-Tuff Beam Connecting Rods Set - 02-14 WRX / 04+ STI $555.87 $617.63

GSC Stopper Style Intake Valve Guide - Subaru EJ20 / EJ25

GSC Stopper Style Intake Valve Guide - Subaru EJ20 / EJ25 $43.93

GSC Stopper Style Exhaust Valve Guide - Subaru EJ20 / EJ25

GSC Stopper Style Exhaust Valve Guide - Subaru EJ20 / EJ25 $43.93

GrimmSpeed Blow Off Valve Flange Gasket - 2002-2007 WRX / 2004-2021 STI

GrimmSpeed Blow Off Valve Flange Gasket - 2002-2007 WRX / 2004-2021 STI $13.00

IAG 550 2.5L Subaru Short Block - EJ WRX/STI/LGT/FXT

IAG 550 2.5L Subaru Short Block - EJ WRX/STI/LGT/FXT $3,999.99

Genuine Subaru Transmssions Crush Washer Set - 2008-2021 STI / 2015-2021 WRX

Genuine Subaru Transmssions Crush Washer Set - 2008-2021 STI / 2015-2021 WRX $12.47

OEM-Quality Timing Belt Kit - 2004-2021 STI / 2004-2014 WRX

OEM-Quality Timing Belt Kit - 2004-2021 STI / 2004-2014 WRX $379.52 $732.15

Manley Platinum Series Piston Set 99.5mm 8.5:1 - 06-14 WRX / 04-18 STI

Manley Platinum Series Piston Set 99.5mm 8.5:1 - 06-14 WRX / 04-18 STI $652.75 $709.51

Gates Racing Timing Belt Kit w/ Water Pump - 04-20 STI / 06-07 WRX

Gates Racing Timing Belt Kit w/ Water Pump - 04-20 STI / 06-07 WRX $352.42 $615.93

Subaru OEM 2.5L STI Type RA / 2020 STI Short Block

Subaru OEM 2.5L STI Type RA / 2020 STI Short Block $2,265.00

Subaru OEM Spark Plug Well Gaskets - 04+ STI / 02-14 WRX

Subaru OEM Spark Plug Well Gaskets - 04+ STI / 02-14 WRX $9.95

Subaru OEM Air Conditioning Belt Set - 08-18 WRX/STI

Subaru OEM Air Conditioning Belt Set - 08-18 WRX/STI $82.95

GSC Power-Division Camshafts S2 Camshafts - 08-18 STI

GSC Power-Division Camshafts S2 Camshafts - 08-18 STI $1,058.68

Subaru Cylinder Head Gasket - 07-18 STI

Subaru Cylinder Head Gasket - 07-18 STI $49.95

Manley Performance Platinum Series Piston STD Bore "Drop-Ins" - 04-19 STI

Manley Performance Platinum Series Piston STD Bore "Drop-Ins" - 04-19 STI $175.80 $191.09

Subaru OEM Timing Belt Kit - 04+ STI / 04-14 WRX

Subaru OEM Timing Belt Kit - 04+ STI / 04-14 WRX $536.85 $621.70

Orbit High Pressure Oil Pump - EJ20/22/25

Orbit High Pressure Oil Pump - EJ20/22/25 $209.30 $275.52

IAG 750 EJ25 Subaru Closed Deck Short Block - WRX/STI/LGT/FXT

IAG 750 EJ25 Subaru Closed Deck Short Block - WRX/STI/LGT/FXT $4,999.99

GSC Super Alloy Exhaust Valves STD Size - 04+ STI / 02-14 WRX

GSC Super Alloy Exhaust Valves STD Size - 04+ STI / 02-14 WRX $211.92

GSC EJ Valve Spring Seats OEM Style Replacements - EJ205 / EJ207 / EJ257

GSC EJ Valve Spring Seats OEM Style Replacements - EJ205 / EJ207 / EJ257 $22.44 $24.00

Company23 Timing Belt Guide Kit - 02-14 WRX / 04+ STI

Company23 Timing Belt Guide Kit - 02-14 WRX / 04+ STI $54.95

Subaru OEM Forged Salt Bath Nitrated Crankshaft - 06-14 WRX / 04-21 STI

Subaru OEM Forged Salt Bath Nitrated Crankshaft - 06-14 WRX / 04-21 STI $407.23

ACL Race Main Bearing Set Standard Size Position 5 - 2002-2014 WRX / 2004-2021 STI

ACL Race Main Bearing Set Standard Size Position 5 - 2002-2014 WRX / 2004-2021 STI $57.32 $92.45

IAG Performance Adjustable Timing Idler Kit - 2002-2014 WRX / 2004-2021 STI , EJ20/EJ25

IAG Performance Adjustable Timing Idler Kit - 2002-2014 WRX / 2004-2021 STI , EJ20/EJ25 $179.99

GrimmSpeed EJ25 Head Gasket Set - Multiple Thicknesses - 2004-2021 STI / 2002-2014 WRX

GrimmSpeed EJ25 Head Gasket Set - Multiple Thicknesses - 2004-2021 STI / 2002-2014 WRX $139.00

Manley Performance I-Beam Pro Series Connecting Rod Set - 02-14 WRX / 04-18 STI

Manley Performance I-Beam Pro Series Connecting Rod Set - 02-14 WRX / 04-18 STI $960.51 $1,011.06

IAG Performance ARP 1/2" Head Stud Set - 2002-2021 WRX/STI

IAG Performance ARP 1/2" Head Stud Set - 2002-2021 WRX/STI $524.99

Manley Valve Spring & Titanium Retainer Set - 04+ STI / 02-14 WRX

Manley Valve Spring & Titanium Retainer Set - 04+ STI / 02-14 WRX $303.02 $318.97

Manley Platinum Series Piston Set 99.75mm 9.8:1 - 06-14 WRX / 04-18 STI

Manley Platinum Series Piston Set 99.75mm 9.8:1 - 06-14 WRX / 04-18 STI $652.75 $709.51

Manley H Beam Steel Connecting Rods - 02-14 WRX / 04-18 STI

Manley H Beam Steel Connecting Rods - 02-14 WRX / 04-18 STI $498.08 $553.42

Gates Racing Timing Belt Kit - 04+ STI / 04-14 WRX

Gates Racing Timing Belt Kit - 04+ STI / 04-14 WRX $387.52 $615.05

Aisin Water Pump and Gasket - 02-07 WRX / 04-21 STI

Aisin Water Pump and Gasket - 02-07 WRX / 04-21 STI $145.95 $150.53

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