20000162 Cosworth CS600X Long Block Assembly Subaru STI EJ25 US spec Our Price:$15898.99
Cosworth CS600X Long Block Assembly Subaru STI EJ25 US spec
After several years of testing and development, the Cosworth CS600 series High Performance Subaru EJ25 long block has arrived. The CS600 series is designed for extreme track day use and the demanding performance enthusiast. Each assembly is precision built by one of Cosworth skilled craftsmen using the finest components from our parts catalog to ensure maximum reliable power and performance. Starting with a new Subaru EJ257 semi closed deck block, we...
Cosworth Cylinder Head Stud Kit 11mm Subaru WRX/STI EJ20/EJ25
Ultra High Performance Cylinder Head Stud Kit. Essential for high performance engine builds, heavy duty head studs reduce cylinder head movement in high boost or high compression engines optimizing cylinder head to block sealing. Heavy duty main studs keep main bearing caps located and reduce crank flex in high rpm applications. Cosworth Ultra High Performance fasteners are manufactured from high tensile strength steel and comes complete with nuts and washers.
...
PA2667.050 Cosworth Forged Piston Set 100mm Subaru WRX STI 2.5L EJ25 Our Price:$1079.99
Cosworth Forged Piston Set 100mm Subaru WRX STI 2.5L EJ25
The piston is one of the most important components within an engine. It can be subjected to directional change up to 285 times every second and must withstand acceleration forces up to 8500g. Cosworth high performance forged pistons are designed and engineered to withstand this type of punishment and still perform. All Cosworth forged pistons are manufactured using the same methods as our Formula One pistons and feature friction reducing skirt...
Cosworth Forged Piston Set 92.5mm Subaru WRX 2.0L EJ20
The piston is one of the most important components within an engine. It can be subjected to directional change up to 285 times every second and must withstand acceleration forces up to 8500g. Cosworth's high performance forged pistons are designed and engineered to withstand this type of punishment and still perform. Cosworth forged pistons are manufactured using the same methods as our Formula One pistons and feature Xylan skirt coating, ultra strong...
Cosworth Forged Piston Set 92mm Subaru WRX 2.0L EJ20
The piston is one of the most important components within an engine. It can be subjected to directional change up to 285 times every second and must withstand acceleration forces up to 8500g. Cosworth's high performance forged pistons are designed and engineered to withstand this type of punishment and still perform. Cosworth forged pistons are manufactured using the same methods as our Formula One pistons and feature Xylan skirt coating, ultra strong...
PA2667 Cosworth Forged Piston Set 99.5mm Subaru WRX STI 2.5L EJ25 Our Price:$1079.99
Cosworth Forged Piston Set 99.5mm Subaru WRX STI 2.5L EJ25
The piston is one of the most important components within an engine. It can be subjected to directional change up to 285 times every second and must withstand acceleration forces up to 8500g. Cosworth high performance forged pistons are designed and engineered to withstand this type of punishment and still perform. All Cosworth forged pistons are manufactured using the same methods as our Formula One pistons and feature friction reducing skirt...
PA2667.025 Cosworth Forged Piston Set 99.75mm Subaru WRX STI 2.5L EJ25 Our Price:$1079.99
Cosworth Forged Piston Set 99.75mm Subaru WRX STI 2.5L EJ25
The piston is one of the most important components within an engine. It can be subjected to directional change up to 285 times every second and must withstand acceleration forces up to 8500g. Cosworth high performance forged pistons are designed and engineered to withstand this type of punishment and still perform. All Cosworth forged pistons are manufactured using the same methods as our Formula One pistons and feature friction reducing skirt...
KK3674 Cosworth H Beam Connecting Rod Set Subaru WRX STI 2.5L EJ25 Our Price:$998.99
Cosworth Forged Connecting Rod Set H Beam Subaru WRX STI 2.5L EJ25
To ensure engine reliability in all conditions, original connecting rods should be replaced with heavy duty specification parts. Complete set of four includes heavy duty SPS rod bolt. C to C length 5.137" 130.5mm Weight 524g
...
SB8005 Cosworth High Performance Crate Engine Subaru STI EJ25 Our Price:$5399.99
Cosworth High Performance Crate Engine Subaru STI EJ25
Cosworth EJ25 (STI) short block has gone through countless hours of dyno evaluation to determine the best combination of parts to guarantee reliable performance and reliability. Each EJ25 short block starts with a brand new Subaru case. The case is inspected and then the bores are honed to perfection to receive Cosworth Forged Pistons. We then balance the rotating assembly that includes a new STI Forged crank and Cosworth Forged H-Beam Connecting Rods...
20000166 Cosworth High RPM Valve Spring Set Subaru WRX STI EJ20/EJ25 2.0/2.5L Our Price:$298.99
Cosworth High RPM Valve Spring Set Subaru WRX STI EJ20/EJ25 2.0/2.5L
For maximum performance and reliability, valve train components shoud be replaced when any cylinder head work is carried out. These High RPM Vavle Springs come in a set of 16.
Fits: Subaru STI EJ25 2.5L and WRX EJ20 2.0L
Note: Picture is for representation only. Actual product may vary.
...