Predator 670 Dual Spring Kit

Description

Dual valve spring kit for the Predator 670 V-twin engines. This spring kit works will with open rpm pulling engines or high rpm FXT mower racing engines. Kit comes with 4 springs and 4 billet machined aircraft grade aluminum retainers.

BUILDER NOTE: These springs are not a drop in replacement. The builder will need to machine the spring pocket in the head larger for these to fit. It is also recommended to use this springs with roller rocker arm, steel push rods and one of our billet hard face welded camshafts.