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Internals



Product Image Item Name- Price
Cobb Tuning 79mm Tuner series billet crankshaft

Cobb Tuning 79mm Tuner series billet crankshaft

When building for maximum power and high RPM use, consider using one of our Billet Steel crankshafts. Designed to be stronger than the factory...
$1,455.00

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Cobb Tuning 81mm Pro Series crankshaft

Cobb Tuning 81mm Pro Series crankshaft

The Pro Series crankshaft (pictured) is approximately 4lbs (1.8kg) lighter than stock, for fast engine response, while still maintaining a much...
$3,200.00

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Cobb Tuning Chromoly long rod ratio rods

Cobb Tuning Chromoly long rod ratio rods

Precision CNC machined from either Chromoly 4340 Steel or 6AL4V Titanium, our connecting rods utilize an I-beam design, 12 point cap screw H-11 tool...
$700.00

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Cobb Tuning EJ20/EJ25 Main Bearings

Cobb Tuning EJ20/EJ25 Main Bearings

Subaru main bearings tend to not suffer from the same level of reliability and durability problems as the rod bearings. While there are some...
$250.00

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Cobb Tuning EJ20/EJ25 Rod Bearings

Cobb Tuning EJ20/EJ25 Rod Bearings

Rod bearings are a traditionally problematic area for Subaru EJ-series engines. In racing, we combat high oil temperatures, potential oil starvation...
$100.00

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Cobb Tuning Forged pistons long rod length

Cobb Tuning Forged pistons long rod length

Engineered fully in-house, our pistons start life as JE low-silicone aerospace aluminum alloy forgings. From there, we CNC machine the raw forgings...
$570.00

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Cobb Tuning Forged pistons stock rod length

Cobb Tuning Forged pistons stock rod length

Engineered fully in-house, our pistons start life as JE low-silicone aerospace aluminum alloy forgings. From there, we CNC machine the raw forgings...
$570.00

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Cobb Tuning Stage 2 Cylinder Head

Cobb Tuning Stage 2 Cylinder Head

COBB Stage 2 cylinder heads use valves 1mm larger in diameter than stock. In addition, the exhaust valves are made from Inconel which can handle...
$3,795.00

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Cobb Tuning Titanium long rod ratio rods

Cobb Tuning Titanium long rod ratio rods

Precision CNC machined from either Chromoly 4340 Steel or 6AL4V Titanium, our connecting rods utilize an I-beam design, 12 point cap screw H-11 tool...
$1,900.00

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Cosworth Billet Timing belt guide

Cosworth Billet Timing belt guide

Replaces the factory sheet metal timing belt guide to help reduce the possibility of the timing belt skipping a tooth during high rpm use. Precision...
$55.00

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