Brian Crower Mitsubishi 4G63 Eclipse/Evo Single Spring & Titanium Retainer - BC0100

About Product About the Brand Vehicle Fitment Product Videos Brian Crower Mitsubishi 4G63 Eclipse/Evo Single Spring & Titanium Retainer KitBrian Crower Mitsubishi 4G63 Eclipse/Evo Single Spring & Titanium Retainer 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 you 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 Eagle Talon TSi 1991 Eagle Talon TSi 1992 Eagle Talon TSi 1993 Eagle Talon TSi 1994 Eagle Talon TSi 1995 Eagle Talon TSi 1996 Eagle Talon TSi 1997 Eagle Talon TSi 1998 Eagle Talon TSi 1990 Plymouth Laser RS 1991 Plymouth Laser RS 1992 Plymouth Laser RS 1993 Plymouth Laser RS 1994 Plymouth Laser RS 1990 Mitsubishi Eclipse GS 1990 Mitsubishi Eclipse GST 1990 Mitsubishi Eclipse GSX 1991 Mitsubishi Eclipse GST 1991 Mitsubishi Eclipse GS 1991 Mitsubishi Eclipse GSX 1991 Mitsubishi Galant VR-4 ( door , HP Cylinder L, speed ) 1992 Mitsubishi Eclipse GST 1992 Mitsubishi Eclipse GS 1992 Mitsubishi Eclipse GSX 1992 Mitsubishi Galant VR-4 ( door , HP Cylinder L, speed ) 1993 Mitsubishi Eclipse GST 1993 Mitsubishi Eclipse GS 1993 Mitsubishi Eclipse GSX 1994 Mitsubishi Eclipse GST 1994 Mitsubishi Eclipse GS 1994 Mitsubishi Eclipse GSX 1995 Mitsubishi Eclipse GST 1995 Mitsubishi Eclipse GSX 1996 Mitsubishi Eclipse GST 1996 Mitsubishi Eclipse GSX 1996 Mitsubishi Eclipse Spyder GST 1997 Mitsubishi Eclipse GST 1997 Mitsubishi Eclipse GSX 1997 Mitsubishi Eclipse Spyder GST 1998 Mitsubishi Eclipse GST 1998 Mitsubishi Eclipse GSX 1998 Mitsubishi Eclipse Spyder GST 1999 Mitsubishi Eclipse GST 1999 Mitsubishi Eclipse GSX 1999 Mitsubishi Eclipse Spyder GST 2003 Mitsubishi Lancer Evolution ( door , HP Cylinder L, speed ) 2004 Mitsubishi Lancer Evolution ( door , HP Cylinder L, speed ) 2005 Mitsubishi Lancer Evolution ( door , HP Cylinder L, speed ) 2005 Mitsubishi Lancer Evolution RS ( door , HP Cylinder L, speed ) 2005 Mitsubishi Lancer Evolution MR ( door , HP Cylinder L, speed ) 2006 Mitsubishi Lancer Evolution ( door , HP Cylinder L, speed ) 2006 Mitsubishi Lancer Evolution MR ( door , HP Cylinder L, speed ) 2006 Mitsubishi Lancer Evolution RS ( door , HP Cylinder L, speed ) 2006 Mitsubishi Lancer Evolution SE ( door , HP Cylinder L, speed ) Show MoreProduct Videos