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Vehicle Fitment

Brian Crower Mitsubishi 4G63 Eclipse/Evo Dual Springs / Titanium Retainers / Seat / Valve Seal KitBrian Crower Mitsubishi 4G63 Eclipse/Evo Dual Springs / Titanium Retainers / Seat / Valve Seal Kit
Whether its for a full rebuild or some standard maintenance, the proper engine components are needed to make sure your vehicle is running smooth.
Upgrading your valve springs and retainers is the best way to help your car rev higher. If your are looking to increase the horsepower of your engine, your may have considered rebuilding the head. When rebuilding your engine’s head, we recommend upgrading your valves, and springs. This will increase airflow and the RPM of your engine.
About Brian Crower
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.
Vehicle Fitment
1990 Plymouth Laser RS
1990 Mitsubishi Eclipse GST
1990 Mitsubishi Eclipse GSX
1990 Eagle Talon TSi
1990 Mitsubishi Eclipse GS
1991 Eagle Talon TSi
1991 Mitsubishi Eclipse GSX
1991 Mitsubishi Eclipse GS
1991 Mitsubishi Eclipse GST
1991 Plymouth Laser RS
1991 Mitsubishi Galant VR-4
1992 Plymouth Laser RS
1992 Mitsubishi Eclipse GS
1992 Mitsubishi Eclipse GST
1992 Mitsubishi Eclipse GSX
1992 Mitsubishi Galant VR-4
1992 Eagle Talon TSi
1993 Eagle Talon TSi
1993 Plymouth Laser RS
1993 Mitsubishi Eclipse GS
1993 Mitsubishi Eclipse GST
1993 Mitsubishi Eclipse GSX
1994 Mitsubishi Eclipse GS
1994 Plymouth Laser RS
1994 Mitsubishi Eclipse GST
1994 Mitsubishi Eclipse GSX
1994 Eagle Talon TSi
1995 Eagle Talon TSi
1995 Mitsubishi Eclipse GST
1995 Mitsubishi Eclipse GSX
1996 Eagle Talon TSi
1996 Mitsubishi Eclipse GST
1996 Mitsubishi Eclipse GSX
1996 Mitsubishi Eclipse Spyder GST
1997 Mitsubishi Eclipse Spyder GST
1997 Mitsubishi Eclipse GSX
1997 Mitsubishi Eclipse GST
1997 Eagle Talon TSi
1998 Eagle Talon TSi
1998 Mitsubishi Eclipse GST
1998 Mitsubishi Eclipse GSX
1998 Mitsubishi Eclipse Spyder GST
1999 Mitsubishi Eclipse GST
1999 Mitsubishi Eclipse Spyder GST
1999 Mitsubishi Eclipse GSX
2003 Mitsubishi Lancer Evolution
2004 Mitsubishi Lancer Evolution
2005 Mitsubishi Lancer Evolution MR
2005 Mitsubishi Lancer Evolution RS
2005 Mitsubishi Lancer Evolution
2006 Mitsubishi Lancer Evolution SE
2006 Mitsubishi Lancer Evolution RS
2006 Mitsubishi Lancer Evolution MR
2006 Mitsubishi Lancer Evolution
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