These blocks are fully liquid cooled, 86 or 87mm offset bore block kits which include 13:1 compression forged pistons, rings, pins, clips, and head gasket. The bores are precision plated with super tough nickel silicon carbide and yields 1464cc (86mm kit) with stock (63mm) stroke. It does not require a crankshaft change when used with the supplied pistons, however when used with a stroker crank, the following size engines can be built:

86mm GSX-R1300 Hayabusa Billet Big Block - Stock crank 1464cc
P/N 0007-00001
1534cc with +3 (66mm) stroke
1580cc with +5 (68mm) stroke
1661cc with +7.5(71mm) stroke

87mm GSX-R1300 Hayabusa Billet Big Block - Stock crank 1498cc
P/N 0007-00220
1569cc with +3 (66mm) stroke
1617cc with +5 (68mm) stroke
1676cc with +7.5(71mm) stroke