Part#: U539HD/U540HD Features 12 leafs, military wrap, diamond cut ends, anti-friction pads and four piece bolt through retaining clips. Spring under conversion kit and after-market shackle required. Price: $1,047
Part #: U402 Features Stage I - 9 leafs, military wrap, diamond cut ends, anti-friction pads and four piece bolt through retaining clips. 2-inch lift. Designed for bed weight of 0-300 lbs. --> Price: $1,009.58 Stage II - 9 leafs, military wrap, diamond cut ends, anti-friction pads and four piece bolt through retaining clips. 2-inch lift. Designed for bed weight of 400-600 lbs. --> Price: $1,009.58 Stage III - 9 leafs, military wrap, diamond cut ends, anti-friction pads and four piece bolt through retaining clips. 2-inch lift. Designed for bed weight of 700-1000 lbs. Driver and passenger side specific. --> Price: $1,132.70
Part #: U644/U645 Features 12 leafs, military wrap, diamond cut ends, anti-friction pads and four piece bolt through retaining clips. Spring under conversion kit and after-market shackle required. Price: Call for price
Part #: F85 Features 3 leaf bottom overload replacement. Converts OEM springs from 2 stage to progressive design. Price: $283.05
Part #: J59 Features 8 leafs, military wrap, diamond cut ends, anti-friction pads and four piece bolt through retaining clips. Price: $869.42
Part #: J66 Features 10 leafs, military wrap, diamond cut ends, anti-friction pads and four piece bolt through retaining clips. Price: $876.34