Street Performer Valve Springs These Street Performer valve springs are an excellent choice for a mildly built engine running naturally aspirated or low boost (0-10lbs). We recommend these for use with our Pro series or Stage 2 Camshafts steps. They...

Street Performer Valve Springs These Street Performer valve springs are an excellent choice for a mildly built engine running naturally aspirated or low boost (0-10lbs). We recommend these for use with our Pro series or Stage 2 Camshafts steps. They...

Spring Seat / Shim (Dual Springs) This LC Engineering 5VZ/1GR Pro Dual Valve Spring Seat Set is designed to be used with our Pro Dual Valve Springs. NOTE: Sold as a set of (24). Contact our Tech Support Line for further information at...