Brian Crower Single Valve Spring & Titanium Retainer Kit Nissan SR20 B Brian Crower Retainers Titanium Dual Spring Kit Subaru FA20 Toyota Brian Crower Dual Springs Titanium Retainers Seat Kit 1995 2003 Acura NSX (BC0090) Brian Crower Beehive Single Valve Spring & Titanium Retainer Kit for A Brian Crower Stage 3+ Cams & Valve Springs Steel Retainers & Kelford. Dual Springs Titanium Retainers Seat Kit by Brian Crower BC high performance camshafts are ground on state of the art CNC cam grinders to insure accuracy and tolerances to within . 02mm. Every BC camshaft profile has been prototyped and dyno tested for proven horsepower results prior to being placed into mass production. By grinding cores in high volume, Brian Crower, Inc. is able to pass the cost savings on to the end user. Quality at an affordable price. All BC cams are checked on a high speed, sub micron accuracy measuring gauge. The Adcole Camshaft Measuring System uses individual measuring heads for each cam journal and cam lobe, with . 01 micron resolution, taking one datum point each 1 10th of a degree or 3,600 data points per revolution. Measuring camshafts for rise error and chattermark detection, this model can measure 200 parts per hour Features Brian Crower Dual Springs Titanium Retainers Seat Kit Benefits Designed to deliver trouble free, consistent performance Right for your vehicle and lifestyle Made from high quality materials for ultimate durability Manufactured to meet or exceed strict quality requirements Applications 1995 2003 Acura NSX What's In The Box? 1 Dual Springs Titanium Retainers Seat Kit Warranty Manufacturers Standard Warranty