Brian Crower Mitsubishi 4B11T Evolution X 31.5mm Exhaust Valves - BC3135

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Brian Crower Mitsubishi 4B11T Evolution X 31.5mm Exhaust Valves

Whether its for a full rebuild or some standard maintenance, the proper engine components are needed to make sure your vehicle is running smooth.

If you are looking to increase the performance of your engine, you may have considered doing a rebuild on the head. Replacing your intake and exhaust valves with an upgraded set of valves is a great way to increase the airflow and performance of your engine. It's recommended to replace your valves with a new set of valve springs and valve stem seals to really let that engine rev.

Brian Crower, Inc. was created to fill the need for high quality, high performance, late model internal engine components, in stock, at very affordable prices. Stroker kits for all popular Sport Compact applications and camshafts and valve train to match. Complete packages designed to work together to deliver more horsepower and torque as well as greater reliability. Brian Crower, Inc. employs state-of-the-art CNC grinding machines to insure exacting tolerances. Small diameter camshaft grinding wheels on certain BC cam part numbers like Honda B and K Series, Nissan SR20 and Mitsubishi 4G63 deliver added valve action for greater cylinder fill rates. All BC crankshafts and connecting rods are made from the highest quality 4340 steel alloy, CNC machined and finished to the tightest industry specifications. Premium grade 6AL4V titanium retainers, 100% RC checked for hardness, and super clean chrome silicone spring wire for the highest rpm range possible. Every product line is tested on precision measuring instruments for accuracy, imperfections and metallurgy. Dyno tested and tuned for optimum results. Brian Crower grew up at Crower Cams & Equipment Company, where he headed up the Crower Sport Compact division since its inception. With Crower Cams heavily focused on the V8 market, Brian saw an opportunity to truly support the needs of the Sport Compact community. With the support of his family, Brian Crower Inc. was formed to deliver the highest quality internal engine components for a variety of popular engine platforms.

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