BLOX Racing valve springs are wound using super clean, chrome silicone alloy. These valve springs are designed and engineered for both high performance street driving and all-out racing conditions. Each set provides maximum lift while preventing valve float and helps counter the effects of spring surge. These are perfect for naturally-aspirated and forced-induction engines. Easy installation, no machining is required. Highly recommended for aftermarket, performance camshafts. For maximum results, use with BLOX Racing Ti retainers and high compression valves. Set includes 16-piece valve springs. Engine Applications: F20C F22C Technical Data Sheet

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