Outfront Motorsports Subaru Performance On-Road and Off-Road Parts Store

This Block Is Our Base Non Closed Deck (Semi Closed) Hybrid Ej25 W/ EJ20 Heads With Forged Internals. This is for 500 WHP or less.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with B25, V25, W25, and N25 cylinder heads found on the 04+ STI and other EJ257 applications.

This block is rated at 500 BHP.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with the D25 cylinder heads found on the 06-14 WRX and other EJ255 applications.
This block is rated at 500 BHP.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with the S20 cylinder heads found on the 02-05 WRX and other EJ20 applications without cylinder head combustion chamber modification. This block is rated at 500 BHP.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with the S20 cylinder heads found on the 02-05 WRX and other EJ20 applications without cylinder head combustion chamber modification. This block is rated at 500 BHP.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. This block is rated at 500 BHP.

This Block Is Our V4 Closed Deck EJ257 Racer+ With Billet Crankshaft, Custom Je Ultra Pistons and +2mm longer Manley Tri Beam Rods w/ 625+ bolts. This short block is the go to for 1100+ BHP.

This Block Is Our V4 Closed Deck EJ257 Racer With Je Ultra Pistons and +2mm longer Manley Tri Beam Rods w/ 625+ bolts. This short block is the go to for 1000+ BHP.

This Block Is Our V3 Closed Deck EJ257 Ultra With Je Ultra Pistons and Boostline Rods. This short block is the go to for 700 BHP.

This Block Is Our V4 Closed Deck EJ257 Ultra With Je Ultra Pistons and Manley Tri-Beam Connecting Rods W/ ARP 625+ Bolts. This short block is the go-to for 1000 BHP.

This Block Is Our V3 Closed Deck EJ257 Long Rod Short Block W/ Je Pistons and Outfront +2mm Rods. This short block is the go to for 700 BHP and Higher RPM.

This Block Is Our V4 Closed Deck EJ257 Long Rod Short Block W/ Je Pistons and Outfront +2mm Rods W/ 625+ Bolts. This short block is the go to for 800 BHP and Higher RPM.

This Block Is Our Base Non Closed Deck (Semi Closed) EJ257 +2mm Long Rod Engine With Forged Internals.

This is recommended for 600BHP or less.

Outfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car rated at 500 BHP.

This Block Is Our Closed Deck EJ257 With Forged Internals. 

This Block Is Our Base Non Closed Deck (Semi Closed) EJ257 With Forged Internals. This is for 500 WHP or less.

This Block Is Our Closed Deck EJ20 With Forged Internals. This short block is for 700 BHP.

This Block Is Our Closed Deck EJ20 Stroker (2.14l) With Forged Internals. This shortblock is for 700 BHP

This Block Is Our Basic Budget Non Closed Deck BRZ/FRS (S20) Shortblock With Forged Internals.

This Block Is Our Closed Deck BRZ/FRS (S20) Shortblock with Forged Internals and Machined for ½” Head Studs

This Block Is Our Base Non Closed Deck BRZ/FRS (S20) Shortblock With Forged Internals.

This Block Is Our Basic Budget Non Closed Deck FA20DIT (E20) Shortblock With Forged Internals.

This Block Is Our Closed Deck WRX FA20DIT (E20) Shortblock with Forged Internals and Machined for ½” Head Studs

This Block Is Our Base Non Closed Deck FA20DIT (E20) Shortblock With Forged Internals.

Available for both BRZ/FRS and 2015+ WRX FA20DIT

Highest flowing pickup currently on the market

Designed for high g-force track applications.

3X OEM oil pickup tube thickness

Much-needed improvements over OEM pickups in both reliability and performance

Designed to replace the limited and failure-prone OEM oil pickup

Save $29 when you purchase the Killer B Motorsport EJ25 Oil Pickup and Baffle combo.

The OEM pickup screen is crimped in a retainer and that assembly is spot welded into the pickup ‘can’. There are a couple of flaws in this process. One is that the screen is creased where the retaining ring is crimped over it. The other is the spot weld process embrittles the screen. We pushed on the screen of new OEM pickups, and several popped wire strands, without a lot of effort.

.12” thick double bracket, 3X OEM oil pickup tube thickness and a brace between bracket and oil pickup tube

This is the Ultimate Ultimate Ultimate Killer B Motorsport Oil Pan Package.

.12” thick double bracket, 3X OEM oil pickup tube thickness and a brace between bracket and oil pickup tube

KILLER B MOTORSPORT’S V2 PERFORMANCE OIL PAN IS DESIGNED TO RELIABLY MEET THE DEMANDS OF HIGH PERFORMANCE SUBARU ENGINES USED ON STREET OR TRACK APPLICATIONS.

This Genuine Subaru 10mm oil pump has the 10MM rotor and comes standard on the 04-07 STI and 02+ WRX . This will fit all WRX and STI 2.5 EJ25 and EJ20 engines.

This Genuine Subaru 11mm oil pump has the 11MM rotor that flows 10% more volume than the standard pumps from the 04-07 STI
This is the same oil pump that came stock on the 2008 STI. This will fit all WRX and STI 2.5 EJ25 motors. These make for a great upgrade when you are building the motor, or changing the timing belt.

This Genuine Subaru 12mm oil pump has the 12mm rotor for increased capacity and larger passages for better flow and increased volume of oil to the engine.

OEM mounting, no rubber

Dress up you engine bay with the signature billet dipstick handle. Available in Black anodized.

Outfront Motorsports billet oil return (oil drain) flange with integrated -10 AN. 1.4 inches overall length. Fits turbos with a 1.5” bolt spread. Made in the USA from billet T6061 aircraft aluminum. Comes anodized black or raw aluminum.

Use this stainless fitting to clean up your oil return line from the turbo. The OEM lines often leak or have poor fitment due aftermarket turbos/exhausts. This item is double oringed for a leak proof seal. Simply remove the pressed in one from the back of the head and install.

Outfront Motorsports billet oil return (oil drain) flange with integrated -10 AN. 2 1/8 inches overall length. Fits turbos with a 2.0” bolt spread. Made in the USA from billet T6061 aircraft aluminum. Comes anodized black or raw aluminum.

Outfront Motorsports billet oil return (oil drain) flange with integrated -10 AN. 2 1/8 inches overall length. Fits turbos with a 2.0” bolt spread. Made in the USA from billet T6061 aircraft aluminum. Comes anodized black or raw aluminum.

GSC Power-Division billet S2 camshafts for the EJ20 JDM/EURO 2.0L STi. These cams are built to suit the high horsepower Subis. With a power range of 500 WHP and up, you need some certain mods to utilize the true potential of the S2s: built motor, with a built/ported head, and a good engine management system. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

Due to the lobe size, head castings will need to be filed down slightly for clearance - Please check during install

GSC Power-Division billet S1 camshafts for the USDM 2010-2012 LGT with Low mount turbo W/ oil scavenge pump on the back of the head. These will not drop any low end power, and will create more power and torque across the entire RPM range. Good for stock frame upgraded turbos or up to 500 WHP upgrades. Upgraded valve springs are required; Beehive valve springs are recommended, but not required.

GSC Power-Division Billet S3 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suite the high horsepower Subys. With a power range of 700WHP and up, you need some certain mods to utilize the true potential of the S3s. Built motor, with a built/ported head, and a good engine management system. Beehive valve springs are recommended.

GSC Power-Division Billet S2 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suite the high horsepower Subys. With a power range of 500WHP and up, you need some certain mods to utilize the true potential of the S2s. Built motor, with a built/ported head, and a good engine management system. Beehive valve springs are recommended, but a upgraded single spring kit will do the job under 8000 rpm.

GSC Power-Division Billet S1 camshafts for the EJ205 WRX Version 5 and 6. These will not drop any low end power, but actually cause faster spool of the turbo, creating more power and torque across the entire rpm range. Good for stock turbo or up to 500WHP upgrades. These cams require upgraded valve springs to keep everything safe at high rpm.

GSC Power-Division Billet S3 camshafts for the 08+ Subaru STi EJ257 with Dual AVCS. These cams are built to suite the higher horsepower Subys. With a power range of 750WHP and up, you need some certain mods to utilize the true potential of the S3s. Built motor, with a built/ported head, and a good engine management system. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

GSC Power-Division Billet S2 camshafts for the 08+ Subaru STi EJ257 with Dual AVCS. These cams are built to suite the higher horsepower Subys. With a power range of 500WHP and up, you need some certain mods to utilize the true potential of the S2s. Built motor, with a built/ported head, and a good engine management system. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

GSC Power-Division Billet S1 camshafts for the 2008+ STI EJ257B With Dual AVCS. Good for stock turbo or up to 500WHP(GT35R) upgrades. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

GSC Power-Division Billet S3 camshafts for the USDM STi and WRX with Intake only AVCS. These cams are built to suite the high horsepower drag Subys. With a power range of 750-1000WHP and a rev range of 4500-9500rpms, you need some certain mods to utilize the true potential of the S3s. Built motor, with a built/ported head (clearanced for lift), and a standalone engine management system. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

GSC Power-Division Billet S2 camshafts for the USDM STi and WRX with Intake only AVCS. These cams are built to suit the high horsepower Subys. With a power range of 500WHP and up, you need some certain mods to utilize the true potential of the S2s. Built motor, with a built/ported head, and a Turbo capable of supporting 500+whp. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

GSC Power-Division Billet S1 camshafts for the USDM STi and WRX with Intake only AVCS. These will not drop any low end power, and will creating more power and torque across the entire rpm range. Good for stock frame upgraded turbos or up to 500WHP upgrades. Upgraded valve springs are required; Beehive valve springs are recommended but not required.

GSC Power-Division billet S3 camshafts for the EJ20 JDM/EURO 2.0L STi. These cams are built to suit the highest horsepower drag Subis. With a power range of 750-1000 WHP and a rev range of 4500-9500 RPMs, you need some certain mods to utilize the true potential of the S3s: built motor, with a built/ported head (clearanced for lift), and a standalone engine management system. Upgraded valve springs are required; beehive valve springs are recommended but not required.

262°/264° | 11.40mm/11.40mm Valve Lift

272°/276° | 11.60mm/11.60mm Valve Lift

280°/286° | 11.80mm/11.80mm Valve Lift

Piper Cams are one of Europe's most successful and experienced performance camshaft designers and manufacturers. Their experience spans more than 40 years servicing high calibre customers in research, top level motor racing and the mainstream motor industry, all on a strictly confidential level.

Piper Cams are one of Europe's most successful and experienced performance camshaft designers and manufacturers. Their experience spans more than 40 years servicing high calibre customers in research, top level motor racing and the mainstream motor industry, all on a strictly confidential level.

GSC Power-Division billet N1 camshafts for the EZ36 Engine with Exhaust AVCS deleted (Billet Adjustable Gears now available).

GSC Power-Division billet S1 camshafts for the EZ36 Engine with Exhaust AVCS deleted (Billet Adjustable Gears now available).

The GSC Power-Division High Pressure Conical Valve Spring with Ti Retainer for Subaru EJ platforms includes 16 titanium retainers, 16 conical valve springs, and 16 chromoly valve spring seats.

The GSC Power-Division Dual Conical Valve Spring Kit with Ti Retainer & Chromoly Seats for the Subaru EJ platforms includes 16 titanium retainers, 16 dual conical valve spring sets, and 16 chromoly valve spring seats.

FOR DRAG RACING USE ONLY

GSC cylindrical single valve spring kit for the Subaru turbo EJ WRX and STi. Made for the Suby owner that daily drives their hot rod and keeps the boost and revs down. These Springs are the same quality and consistency as our popular beehive spring kit. The nano-peened AS50 round wire will perform with a RPM limit of 8200 and boost levels up to 32PSI on S1 or S2 profile cams. Strict quality control on the springs and the CNC machined Titanium retainers give you peace of mind that your valvetrain is always under control.

GSC Power-Division Beehive springs feature some of the most impressive manufacturing techniques in the industry. Our beehive spring uses an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities. What this means to you is our spring has the highest level of spring load retention while still maintaining good fatigue threw out the life of the spring. Only the best materials go into the GSC Power-Division Beehive valve spring. Each batch is scrutinized for tensile strength properties, ductility, inclusion content, and fatigue toughness.

Industry standard for sport compact performance valves

Industry standard for sport compact performance valves

Industry standard for sport compact performance valves

Industry standard for sport compact performance valves

High horsepower, high EGT set ups that need a valve that will last in 2000°F conditions

High horsepower, high EGT set ups that need a valve that will last in 2000°F conditions

The GSC Power-Division Beehive Spring Kit with Titanium Retainers for the Subaru 2015 WRX, BRZ and Scion FRS includes 24 titanium retainers, 24 beehive valve springs, and 24 spring seats. Our beehive spring is made with an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities. These springs have the highest level of spring load retention while still maintaining good fatigue throughout the life of the spring. Beehive springs allow for the use of a smaller, lighter retainer allowing for higher RPM and more valve control. This is absolutely the most lightweight, strongest spring kit for the FA20 platform

The GSC Power-Division Single Cylindrical Valve Spring Kit with Ti Retainers for the Subaru 2015+WRX, BRZ, Scion FRS and Toyota FT86 using the new 2.0L NA boxer engine includes 16 titanium retainers, 16 cylindrical valve springs, and 16 spring seats. These round wire springs still have the same high quality attention to detail as our popular beehive kits. The GSC5756 is Nano peened and batched according to seat pressure within our specs. The lightweight titanium retainers are CNC machined with tolerances and repeatability that are unmatched by other brands. This keeps a consistent seat pressure across the head for ultimate reliability and performanc

Industry standard for sport compact performance valves

Industry standard for sport compact performance valves

Industry standard for sport compact performance valves

Industry standard for sport compact performance valves

For those running high horsepower, high EGT set ups that need a valve that will last in 2000°F conditions.

Are for those running high horsepower, high EGT set ups that need a valve that will last in 2000°F conditions.

Are for those running high horsepower, high EGT set ups that need a valve that will last in 2000°F conditions.

Industry standard for sport compact performance valves

Industry standard for sport compact performance valves

Industry standard for sport compact performance valves

Industry standard for sport compact performance valves

Successful race engine builders are constantly pushing the limits of load capacity to new levels. Race bearings today inevitably need to match these demands with more competitive bearings. At King Racing we met the challenge with the XP high performance bearings series.

Successful race engine builders are constantly pushing the limits of load capacity to new levels. Race bearings today inevitably need to match these demands with more competitive bearings. At King Racing we met the challenge with the XP high performance bearings series.

Successful race engine builders are constantly pushing the limits of load capacity to new levels. Race bearings today inevitably need to match these demands with more competitive bearings. At King Racing we met the challenge with the XP high performance bearings series.

Rear Thrust (#5 Position) Standard clearance