Cylinder Block

$3,199.99 $3,359.99

IAG Stage 2 2.5L Subaru Short Block for WRX, ST...

The IAG Stage 2 Short Block is designed for modified EJ25 Subaru's that need a beefed-up performa...

The IAG Stage 2 Short Block is designed for modified EJ25 Subaru's that need a beefed-up performance short block. The IAG Stage 2 short block builds on the Stage 1's strengths by adding ACL Race bearings and IAG Spec H-Beam forged connecting rods. The upgraded rods and bearings are able to support additional engine load produced by larger turbochargers that the OEM STI rods cannot support reliably. Each IAG Stage 2 Short Block starts with new Subaru 2.5L 99.5mm stock bore EJ25 engine case hal...

$479.00

ATI Super Damper Serpentine Series Harmonic Bal...

ATI Super Damper Serpentine Series harmonic balancers are patented and feature grooves for serpen...

ATI Super Damper Serpentine Series harmonic balancers are patented and feature grooves for serpentine belts machined into the outer damper shell. The dampers come with six outer grooves for standard OEM drive systems—but eight and 10 grooves are available for supercharger or turbo applications. Serpentine dampers are offered in a variety of diameters, and crank hubs may be fitted with a 6-groove serpentine pulley to drive external oil pumps or vehicle accessories. The Serpentine Series Super ...

$3,149.00

Kinetic Autoworks KA500 EJ25 Shortblock

Our most popular Subaru EJ25 Shortblock package. Using only the best components, we assemble a BR...

Our most popular Subaru EJ25 Shortblock package. Using only the best components, we assemble a BRAND NEW engine block, ready for most street applications. The new Subaru case halves are precision bored and honed from the factory. Instead of machining the halves to fit pistons, we have a piston that fits the cylinders, perfectly. This ensures an exact piston to cylinder wall clearance as well as a quiet operating forged engine. Paired with strong H-Beam rods and coated bearings, our engines ar...

$595.00

Innovators West 9.35% Overdrive Balancer Assemb...

This Innovators West balancer assembly installs as a direct replacement for the OEM balancer (PN ...

This Innovators West balancer assembly installs as a direct replacement for the OEM balancer (PN 05038731AE).   This SFI-approved balancer is assembled with all of the technology Innovators West is famous for - an all-aluminum case with a steel, stress-proof hub, 1050 steel inertia rings and the proven wet clutch friction dampening design. This balancer measures 8.750" at the blower drive, which represents a 9.35% overdrive.  This generally results in 2-3 lbs of added boost, and unlike other ...

$404.23 $475.56

Fluidampr Toyota 1990-2005 1JZ / 2JZ

Protect your engine. Modifications can compromise your stock harmonic balancer. Install a Fluidam...

Protect your engine. Modifications can compromise your stock harmonic balancer. Install a Fluidampr performance damper early for best durability. Superior viscous damper design controls harmful torsional vibration across the entire rpm range. Reduce wear on engine components. Reduce risk of crankshaft failure. Improve timing. Unleash lost torque and horsepower. Precision CNC machined and balanced high-grade steel components. Corrosion resistant black zinc finish with engraved timing marks. No...

$387.72 $456.14

Fluidampr LSx/Lxx Camaro SS / LS1 GM Truck 25% UD

Protect your engine. Modifications can compromise your stock harmonic balancer. Install a Fluidam...

Protect your engine. Modifications can compromise your stock harmonic balancer. Install a Fluidampr performance damper early for best durability. Superior viscous damper design controls harmful torsional vibration across the entire rpm range. Reduce wear on engine components. Reduce risk of crankshaft failure. Improve timing. Unleash lost torque and horsepower. Precision CNC machined and balanced high-grade steel components. Corrosion resistant black zinc finish with engraved markings. No mai...