Engine Internals

From pistons and connecting rods to camshafts, crankshafts, bearings, and gaskets, our engine internals selection has everything needed for a reliable bottom end and a high-revving top end. With forged and performance options alongside OE-style replacements, every component is built for precision and durability. Lay the foundation for serious power and keep your engine strong under pressure.
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Skunk2 Tuner Series D-Series Honda Stage 2 Camshaft

Regular price $415.99
Sale price $415.99 Regular price $419.95
Unit price
Gain extra horsepower and torque with Skunk2's Tuner Series Camshafts, our introductory line of high-performance...
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Skunk2 Pro-Series 88-01 Honda B-Series/H23 DOHC 1.6/1.7/1.8/2.0/2.3L Cam Gears (Black Series)

Regular price $305.99
Sale price $305.99 Regular price
Unit price
An engine's camshafts must be set at their proper positions relative to the crankshaft in...
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Skunk2 Pro-Series 88-01 Honda B-Series/H23 DOHC 1.6/1.7/1.8/2.0/2.3L Cam Gears (Ti Color)

Regular price $305.99
Sale price $305.99 Regular price
Unit price
An engine's camshafts must be set at their proper positions relative to the crankshaft in...
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Skunk2 Pro-Series 88-95 Honda Civic/CRX/DelSol SOHC 1.5/1.6L (D Series) Cam Gear (Ti Color)

Regular price $173.99
Sale price $173.99 Regular price
Unit price
An engine's camshafts must be set at their proper positions relative to the crankshaft in...
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Skunk2 K Series Pro Series Cam Gear Set

Regular price $415.99
Sale price $415.99 Regular price $419.95
Unit price
An engine's camshafts must be set at their proper positions relative to the crankshaft in...
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Skunk2 K Series Pro Series Exhaust Cam Gear

Regular price $227.99
Sale price $227.99 Regular price
Unit price
An engine's camshafts must be set at their proper positions relative to the crankshaft in...
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Skunk2 06-11 Honda Civic Si O2 Extension

Regular price $58.99
Sale price $58.99 Regular price
Unit price
The O2 sensor wire harness extension is designed for 2006-2014 Civic Sis. These extensions are...
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Radium Engineering Mazda 13B-REW ACV Block Off

Regular price $45.99
Sale price $45.99 Regular price
Unit price
Block off plate for Mazda 13B-REW ACV on intake manifold. Necessary to use Radium fuel...
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Radium Engineering IACV Gasket - S14/15 SR20DET

Regular price $22.99
Sale price $22.99 Regular price
Unit price
Made from Kevlar and Nitrile rubber for fuel and oil resistanceThis Part Fits: Year Make...
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Mishimoto 14-15 Subaru WRX / Forester 68 Degree Celsius Racing Thermostat

Regular price $85.99
Sale price $85.99 Regular price
Unit price
The Mishimoto racing thermostat for the 2015+ Subaru WRX will promote greater cooling efficiency in...
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