James, motor gasket kit. 3-7/8" bore - 99-16 Twin Cam (excl. Twin Cooled) with 3-7/8" bore. Comes with 99-04 style valve stem seals 830111 Height is adjustable from factory

Height is adjustable from factory height to 1-1/2" lower

Fits: > Pre-81 H-D with 1" I

dimensions: 18" (45

Note: Will not fit Dyna models with mid-controls and may not fit Dyna with aftermarket forward controls

Good for ported heads

James, motor gasket kit. 3-7/8" bore - 99-16 Twin Cam (excl. Twin Cooled) with 3-7/8" bore. Comes with 99-04 style valve stem seals 830111 Height is adjustable from factoryFits 88" to 95" (1550cc) or 96" to 103" (1690cc) 3 7 8" big bore conversion kits. Includes 0. 036 head gaskets with Fire ring, RCM (Rubber Coated metal) rocker box base gaskets, Viton valve seals, and includes all gaskets, seals and o rings required for complete engine rebuild. Without primary gaskets.