JBS Wolverine X2-X4 Secondary Spring
20 lbs. stiffer on takeoff for better performance and less belt slippage.
40 lbs. softer than stock on the top end for lower rpms from the mid-range to full shift out.
$59.00
20 lbs. stiffer on takeoff for better performance and less belt slippage.
40 lbs. softer than stock on the top end for lower rpms from the mid-range to full shift out.
$59.00