SUBARU EZ30 H6 High Performance valve spring set to suit stock retainer. 

Short spring installs on intake side to give 76lb at 31.2mm, coil bind 19.05mm . Add base supplied to Exhaust side on top of OEM base to give 90lb @ 37.0mm, coil bind 26mm.

Note: Second Gen only! Engines with variable lift cam shafts and plastic intake manifold. EZ30R, EZ30D. 

(KVS30)

Short spring installs on intake side to give 76lb at 31.2mm, coil bind 19.05mm . Add base supplied to Exhaust side on top of OEM base to give 90lb @ 37.0mm, coil bind 26mm.

SKU KVS30
Brand Kelford Cams

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