Powersports Parts and Accessories to "Hop Up Your Ride"

Bullfrog Performance Products Valve Spring Kit, Single Honda GX390 40 lbs.

Product Description

Valve spring kit for Honda GX390 engines.  This is a set of single wound valve springs rated at 40 lbs. @ 1.200".

Spring Height to spring force specs (these are approximate spring force specs and could very 5%)

1.200" = 40 lbs.

1.100" = 50 lbs.

1.000" = 60 lbs.

.900" = 70 lbs.

.800" = 85 lbs.

.700" = 95 lbs.

.600" = 110 lbs.  Coil bind occurs at .600" spring height

$18.95
Maximum quantity available reached.

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