4 Cylinder Engine Parts

Your Premium 4 cylinder and 6 cylinder Toyota Racing Engine Resource.

D.O.A. Racing Engines Formula Toyota Competition Engine Assembly

4 Cylinder Performance Engines

4 Cylinder Performance Engines by D.O.A. Racing Engines D.O.A. Long Block Assemblies produce a broader hp and torque band than …

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4 Cylinder Camshafts

4 Cylinder Camshafts

4 Cylinder Camshafts by D.O.A. Racing Engines 20R Our MR280 is designed for 20R heads using the shorter (.100) OEM …

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4 Cylinder Crankshafts by D.O.A. Racing Engines

4 Cylinder Crankshafts

4 Cylinder Crankshafts by D.O.A. Racing Engines Severe duty and stroker crankshafts are available. Please call for more information and …

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4 Cylinder Heads

4 Cylinder Heads

4 Cylinder Heads by D.O.A. Racing Engines The cylinder head is the true heart of a high performance motor. At …

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4 Cylinder Injectors

4 Cylinder Inductions

4 Cylinder Injectors and Throttle Bodies Injectors – Rebuilt / Balanced* – $150 Lucas Injectors 195 low/sat. – $280 Throttle …

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4 Cylinder Metal-Baked Timing Chain Guides

Timing Chain Guides

4 Cylinder Metal-Backed Timing Chain Guides These metal backed guides™ (sold in guides only or a full timing set) are …

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Toyota long block 4 cylinder by D.O.A. Racing Engines

Master Engine Kits

4 Cylinder Master Engine Kits Use our master engine kits to build your own reliable, high performance Toyota motor.

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Adjustable Cam Gears

Adjustable Timing Gears

Adjustable Cam Gears We now have adjustable timing gears for the single, or dual row timing assemblies, with a 10* …

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D.O.A. Racing Engines, "Dominating Other Attempts"