(BC) Brian Crower - Performance Engine Internal Components & Accessories

Founded by Brian Crower in California, Brian Crower, Inc. fills the gap in high-performance engine components for sport compact vehicles. Their lineup includes CNC-ground camshafts, 4340 alloy crankshafts, connecting rods, valve springs, retainers, stroker kits, and more—crafted for engines like Honda B/K‑series, Toyota 1JZ/2JZ, Mitsubishi 4G63, Nissan SR20, Subaru EJ, Chevy LS, and others.

BC camshafts are precision-ground to ±0.02 mm, datumed and measured with sub‐micron accuracy, and dyno-tested for horsepower gains before production. Their crankshafts and rods use premium 4340 chromoly steel, CNC-machined to tight tolerances, and are complemented by titanium retainers and high-performance valve train components.

Combining motorsport-grade engineering with competitive pricing, Brian Crower gear delivers reliable, dyno-proven performance for enthusiasts building street, track, or boosted sport compact engines.

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Brian Crower Crankshaft - 2014+ Polaris XP1000 73.5mm Stroke 4340 Billet Brian Crower Crankshaft - 2014+ Polaris XP1000 73.5mm Stroke 4340 Billet
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Brian Crower Crankshaft - 2014+ Polaris XP1000 73.5mm Stroke 4340...
Brian Crower Crankshaft - 2014+ Polaris XP1000 73.5mm Stroke 4340 Billet
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Brian Crower Crankshaft - Ford Coyote 3.750in Stroke 4340 Billet w/ 1.888in Crank Pin - Unbalanced Brian Crower Crankshaft - Ford Coyote 3.750in Stroke 4340 Billet w/ 1.888in Crank Pin - Unbalanced
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Brian Crower Crankshaft - Ford Coyote 3.750in Stroke 4340 Billet...
Brian Crower Crankshaft - Ford Coyote 3.750in Stroke 4340 Billet w/ 1.888in Crank Pin - Unbalanced
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Brian Crower Crankshaft - Toyota 3URFE 108mm Stroke 4340 Billet Brian Crower Crankshaft - Toyota 3URFE 108mm Stroke 4340 Billet
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Brian Crower Crankshaft - Toyota 3URFE 108mm Stroke 4340 Billet
Brian Crower Crankshaft - Toyota 3URFE 108mm Stroke 4340 Billet
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Brian Crower Crankshaft - Toyota 3SGTE 95mm Stroke 4340 Billet Brian Crower Crankshaft - Toyota 3SGTE 95mm Stroke 4340 Billet
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Brian Crower Crankshaft - Toyota 3SGTE 95mm Stroke 4340 Billet
Brian Crower Crankshaft - Toyota 3SGTE 95mm Stroke 4340 Billet
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Brian Crower Crankshaft - LightWeight Toyota B58B30 Crankshaft / 100mm Stroke / 4340 Billet Brian Crower Crankshaft - LightWeight Toyota B58B30 Crankshaft / 100mm Stroke / 4340 Billet
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Brian Crower Crankshaft - LightWeight Toyota B58B30 Crankshaft / 100mm...
Brian Crower Crankshaft - LightWeight Toyota B58B30 Crankshaft / 100mm Stroke / 4340 Billet
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Brian Crower Crankshaft - Honda/Acura K20 99mm Stroke Custom 4340 Billet w/B18A Rod Journals Brian Crower Crankshaft - Honda/Acura K20 99mm Stroke Custom 4340 Billet w/B18A Rod Journals
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Brian Crower Crankshaft - Honda/Acura K20 99mm Stroke Custom 4340...
Brian Crower Crankshaft - Honda/Acura K20 99mm Stroke Custom 4340 Billet w/B18A Rod Journals
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Brian Crower Crankshaft - Honda/Acura K24 103mm Stroke Custom 4340 Billet w/.935/1.771 Rod Journ Brian Crower Crankshaft - Honda/Acura K24 103mm Stroke Custom 4340 Billet w/.935/1.771 Rod Journ
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Brian Crower Crankshaft - Honda/Acura K24 103mm Stroke Custom 4340...
Brian Crower Crankshaft - Honda/Acura K24 103mm Stroke Custom 4340 Billet w/.935/1.771 Rod Journ
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Brian Crower Crankshaft - LightWeight Honda/Acura K20 92mm Stroke 4340 Billet w/.935/1.771 Journal Brian Crower Crankshaft - LightWeight Honda/Acura K20 92mm Stroke 4340 Billet w/.935/1.771 Journal
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Brian Crower Crankshaft - LightWeight Honda/Acura K20 92mm Stroke 4340...
Brian Crower Crankshaft - LightWeight Honda/Acura K20 92mm Stroke 4340 Billet w/.935/1.771 Journal
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Brian Crower Intake / Exhaust Valve Stem Seals - Fits Oem Valve Guides - Polaris XP1000 / XPTurbo Brian Crower Intake / Exhaust Valve Stem Seals - Fits Oem Valve Guides - Polaris XP1000 / XPTurbo
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Brian Crower Intake / Exhaust Valve Stem Seals - Fits...
Brian Crower Intake / Exhaust Valve Stem Seals - Fits Oem Valve Guides - Polaris XP1000 / XPTurbo
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Brian Crower Intake / Exhaust Valve Stem Seals - Fits BC Valve Guides - Polaris XP1000 / XPTurbo Brian Crower Intake / Exhaust Valve Stem Seals - Fits BC Valve Guides - Polaris XP1000 / XPTurbo
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Brian Crower Intake / Exhaust Valve Stem Seals - Fits...
Brian Crower Intake / Exhaust Valve Stem Seals - Fits BC Valve Guides - Polaris XP1000 / XPTurbo
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Brian Crower Intake Valve Guides - Aluminum/Bronze - Polaris XP1000 / XPTurbo Brian Crower Intake Valve Guides - Aluminum/Bronze - Polaris XP1000 / XPTurbo
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Brian Crower Intake Valve Guides - Aluminum/Bronze - Polaris XP1000...
Brian Crower Intake Valve Guides - Aluminum/Bronze - Polaris XP1000 / XPTurbo
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Brian Crower Exhaust Valve Guides - Aluminum/Bronze - Polaris XP1000 / XPTurbo Brian Crower Exhaust Valve Guides - Aluminum/Bronze - Polaris XP1000 / XPTurbo
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Brian Crower Exhaust Valve Guides - Aluminum/Bronze - Polaris XP1000...
Brian Crower Exhaust Valve Guides - Aluminum/Bronze - Polaris XP1000 / XPTurbo
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Brian Crower Toyota 4AGE 16v 6.0mm Intake Valve Guides Brian Crower Toyota 4AGE 16v 6.0mm Intake Valve Guides
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Brian Crower Toyota 4AGE 16v 6.0mm Intake Valve Guides
Brian Crower Toyota 4AGE 16v 6.0mm Intake Valve Guides
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Brian Crower Polaris XP Valve Lash Shim Kit 9.48mm Dia - 2.3mm To 2.85mm (.05mm Increments) Brian Crower Polaris XP Valve Lash Shim Kit 9.48mm Dia - 2.3mm To 2.85mm (.05mm Increments)
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Brian Crower Polaris XP Valve Lash Shim Kit 9.48mm Dia...
Brian Crower Polaris XP Valve Lash Shim Kit 9.48mm Dia - 2.3mm To 2.85mm (.05mm Increments)
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Brian Crower Valves - 26mm (+1mm) Exhaust - Yamaha YXZ 2016+ / Arctic Cat XX Brian Crower Valves - 26mm (+1mm) Exhaust - Yamaha YXZ 2016+ / Arctic Cat XX
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Brian Crower Valves - 26mm (+1mm) Exhaust - Yamaha YXZ...
Brian Crower Valves - 26mm (+1mm) Exhaust - Yamaha YXZ 2016+ / Arctic Cat XX
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Brian Crower Valves - 31.1mm (STD) Intake - Yamaha YXZ 2016+ / Arctic Cat XX 2018+ Brian Crower Valves - 31.1mm (STD) Intake - Yamaha YXZ 2016+ / Arctic Cat XX 2018+
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Brian Crower Valves - 31.1mm (STD) Intake - Yamaha YXZ...
Brian Crower Valves - 31.1mm (STD) Intake - Yamaha YXZ 2016+ / Arctic Cat XX 2018+
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Brian Crower Valves - 25mm (STD) Exhaust - 2017+ Can-Am X3 Rotax 900 Ace Brian Crower Valves - 25mm (STD) Exhaust - 2017+ Can-Am X3 Rotax 900 Ace
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Brian Crower Valves - 25mm (STD) Exhaust - 2017+ Can-Am...
Brian Crower Valves - 25mm (STD) Exhaust - 2017+ Can-Am X3 Rotax 900 Ace
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Brian Crower Valves - 25mm (STD) Inconel Exhaust - 2017+ Can-Am X3 Rotax 900 Ace Brian Crower Valves - 25mm (STD) Inconel Exhaust - 2017+ Can-Am X3 Rotax 900 Ace
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Brian Crower Valves - 25mm (STD) Inconel Exhaust - 2017+...
Brian Crower Valves - 25mm (STD) Inconel Exhaust - 2017+ Can-Am X3 Rotax 900 Ace
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Brian Crower Valves - 29mm (STD) Intake - 2017+ Can-Am X3 Rotax 900 Ace Brian Crower Valves - 29mm (STD) Intake - 2017+ Can-Am X3 Rotax 900 Ace
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Brian Crower Valves - 29mm (STD) Intake - 2017+ Can-Am...
Brian Crower Valves - 29mm (STD) Intake - 2017+ Can-Am X3 Rotax 900 Ace
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Brian Crower Valves - 33.2mm (+3.8mm) Nimonic Exhaust - Polaris XPTurbo Brian Crower Valves - 33.2mm (+3.8mm) Nimonic Exhaust - Polaris XPTurbo
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Brian Crower Valves - 33.2mm (+3.8mm) Nimonic Exhaust - Polaris...
Brian Crower Valves - 33.2mm (+3.8mm) Nimonic Exhaust - Polaris XPTurbo
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Brian Crower Valves - 32.4mm (+3.2mm) Exhaust - Polaris XP1000 / XPTurbo Brian Crower Valves - 32.4mm (+3.2mm) Exhaust - Polaris XP1000 / XPTurbo
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Brian Crower Valves - 32.4mm (+3.2mm) Exhaust - Polaris XP1000...
Brian Crower Valves - 32.4mm (+3.2mm) Exhaust - Polaris XP1000 / XPTurbo
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Brian Crower Valves - 30.2mm (+1mm) Exhaust - Polaris XP1000 / XPTurbo Brian Crower Valves - 30.2mm (+1mm) Exhaust - Polaris XP1000 / XPTurbo
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Brian Crower Valves - 30.2mm (+1mm) Exhaust - Polaris XP1000...
Brian Crower Valves - 30.2mm (+1mm) Exhaust - Polaris XP1000 / XPTurbo
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Brian Crower Valves - 38.8mm (+1mm) Intake - Polaris XP1000 / XPTurbo Brian Crower Valves - 38.8mm (+1mm) Intake - Polaris XP1000 / XPTurbo
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Brian Crower Valves - 38.8mm (+1mm) Intake - Polaris XP1000...
Brian Crower Valves - 38.8mm (+1mm) Intake - Polaris XP1000 / XPTurbo
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Brian Crower Valves - 29.2mm (STD) Nimonic Exhaust - Polaris XP1000 / XPTurbo Brian Crower Valves - 29.2mm (STD) Nimonic Exhaust - Polaris XP1000 / XPTurbo
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Brian Crower Valves - 29.2mm (STD) Nimonic Exhaust - Polaris...
Brian Crower Valves - 29.2mm (STD) Nimonic Exhaust - Polaris XP1000 / XPTurbo
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