Supertech 02-05 Civic Si Valve Springs: 86psi
Part Number: SPR-M1007S-K2
Inside Continental United States
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Sold in a set of 16
Supertech performance valve springs are made with premium Superclean Chrome Silicon Vanadium Steel Alloy for higher performance and durability. Computer designed to ensure that wire stress levels do not overpass the limits for long durability under extreme conditions and harmonics are well under control.
Single Valve Spring: 80 psi (K20A3, K24A3)
28.1mm OD / 20mm ID
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