This spring kit from Rocket Motorsports have been tested in a variety of applications, you will have no problems with valve float at high rpm with this HD spring set. We use these exclusively in the shop on all cylinder head builds we do. They hold up great even to the stress of the GIANT Stage 8 camshaft.
Available for D series Vtec cylinder heads.
Included in kit;
Rocket HD Springs (Japanese Wire Wound in USA)
Titanium Valve Retainers
Forged Valve Locks
Viton Intake seals
Viton Exhaust Seals
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