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Complete screw-on kit.
Compatible with original 107" engines, which have the required stroke of 4.375".
Converts 107" to 124" engine. Includes black roughened cylinders and a 4.250" bore forged piston and ring kit with a 1.143" deck height and -4.3cc plate volume for an 11:1 CR with stock cylinder head combustion chamber volume.
A massive increase in capacity with bolt-on ease, with no need for case drilling, head work, or flywheel rebalancing. Large-bore applications.
Fits: > 17-21 107" M8
S&S Big Bore Conversion Piston and Cylinder Kit, 107" to 124"
2,009.05 €
Sale price
2,009.05 €
Regular price
Compatible with original 107" engines, which have the required stroke of 4.375".
Converts 107" to 124" engine. Includes black roughened cylinders and a 4.250" bore forged piston and ring kit with a 1.143" deck height and -4.3cc plate volume for an 11:1 CR with stock cylinder head combustion chamber volume.
A massive increase in capacity with bolt-on ease, with no need for case drilling, head work, or flywheel rebalancing. Large-bore applications.
Fits: > 17-21 107" M8