R/D Valve Spring and Retainer Kit for Yamaha Bolt


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2 In Stock

SKU: RD-178-Y Category:


A set of custom-fabricated titanium valve springs for the Yamaha Bolt and V-Star XV-950 engines. These stronger springs and retainers are recommended for valve lifts up to but not exceeding 0.500. Recommended installation height of the springs is 1.380 to 1.400. The kit comes with 8 titanium beehive valve springs and 8 chromoly top retainers.

Manufacturer Part Number 178-Y

Additional information

Weight .72 lbs
Dimensions 10 × 4 × 1.5 in


R/D Valve Springs

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Make Model Year
Yamaha Bolt 2013 - 2022
Yamaha Bolt C-Spec 2015 - 2016
Yamaha Bolt R-Spec 2013 - 2022
Yamaha SCR950 2017
Yamaha V-Star 950 / XVS950 Midnight Star 2009 - 2015
Yamaha V-Star 950 Tourer 2009 - 2017

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