SSP-G Crankcase 65mm Bore B-Block 57mm (GY6 longcase)

Description: SSP-G Crankcase 63mm Bore B-Block 57mm for upgrade GY6 125/150cc 4-stroke longcase engines. This 63mm bored means there is no machining required unlike all other kits on the market. No Boring Required! Just bolt-on SSP-G Cylinder 63mm BBK (sold separately).

NOTE: This is NOT a complete engine. Need to reuse donor parts from A-Block (54mm) or B-Block (57mm) - longcase. Does not include an engine gasket set, see Part# 130-31.

Specifications:

Includes the following Left and Right Crankcase, Timing Cover, and SSP-G Sticker.

•    1x Crankcase 65mm Bore (right, w/oil portholes)
•    1x Crankcase 65mm Bore (left, 20” longcase)
•    1x Timing Cover
•    Made in Taiwan
•    Fit Intake Studs: M6 / Nuts: M6 / Socket: 10mm
•    Fit Exhaust Studs: M8 / Nuts: M8 / Socket: 12mm
•    Fit Crankcase Bolts: M6 / Washers: M6 / Socket: 8mm
•    Fit Cylinder Studs: 196mm 204mm / Nuts: M8 / Washers: M8 / Side Bolts: M6 / Socket: 8mm-12mm
•    Fit Flywheel/Variator/Clutch Shaft Nuts: M12 / Washers: M12 / Socket: 17mm
•    Fit 57mm Stud Spacing (B-Block longcase)
•    Replacement Fit 54mm (A-Block longcase)
•    Fit 57mm Camshaft Holder
•    Fit 57mm Rockarm 2V Assembly
•    Fit Crankshaft 57.8mm +3 2V
•    Fit Dowel Pin Set (8x14mm)
•    Fit Dowel Pin Set (10x14mm)
•    Fit Cam Chain 46 (92) links
•    Fit Chain Guide (standard)
•    Fit 57mm Cylinder 61mm to 63mm
•    Fit 57mm Cylinder Head 61mm to 63mm
•    Fit GY6 125/150cc+
•    Optional: cut plastic fan shroud for best fitment

*Need donor tappets, inlet/outlet shafts, or purchase rocker arm assembly (Part# 169-412)

Supported Models: SSP-G Cylinder (Part# 169-172); GY6 152QMI 157QMJ 161QMK 161QML Chinese Scooter, ATV, Genuine Buddy, Kymco, Polaris RZR 170 (top-end ONLY), Ruckus, Vento

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Item Weight & Package Dimensions:
•    14.625 pounds | 20.375" (L) x 9.625" (W) x 9.375" (H)