SSP-G 1mm cylinder spacer for B-Case GY6 engines. Cylinder spacers are used to increase piston to valve clearance when using a stroker crank. B-Case engines are "big block" GY6 engines with 57mm (or 80.5mm diagonal) cylinder stud spacing. Please Note: You will need an additional cylinder base gasket when installing this spacer. Please see our Warranty & Returns Policy.
Aluminum Construction
Made in Taiwan
SUPPORTED MODELS: GY6 QMI/QMJ 152/157, Various unlisted makes/models
