

Supertech dual valve spring kit for high-lift cams and elevated RPM limits. Dual-spring design resists valve float where the factory single springs give up.
Fits: Honda H22 — Prelude, Accord Type-R
Part #: SPRK-H1000D
Confirm installed height and required seat pressure with your machinist or cam supplier before ordering. New, in original manufacturer packaging. Ships direct from our distribution partner.
Hard top
bumpers
lights
gaugesInstalling with us? Text your year, make, model & engine code to (469) 570-4113 — fastest response during business hours.
Need a shipping quote? See our Shipping page.
Mon–Fri 9am–6pm · Sat 10am–3pm CT · After hours? Text anyway — we reply first thing.