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170cc Big Bore and Valve Head Kit for Honda Grom's

170cc Big Bore and Valve Head Kit for Honda Grom's

$ 900.00
  • The complete 170cc Big Bore Kit with 4 Valve Cylinder Head is the perfect add-on for horsepower enthusiast looking for performance
  • It includes a 170cc ceramic coated cylinder, forged piston, performance camshaft, crankshaft bearing, rocker arms, 4 valve cylinder head, intake manifold, gaskets and more
  • All parts are made from high quality components for reliability and durability

Included Items:


(1) Cylinder head

(1) Cylinder

(1) Intake manifold

(2) Aluminum covers W/O-rings installed

(1) Piston

(1) Wrist pin

(2) Circlips

(1) Ring set including: (1) Top ring, (1) Second ring, (2) Oil rings, and (1) Oil ring spacer

(1) Manifold insulation gasket

(1) Manifold gasket

(1) Intake manifold O-ring

(2) 8mm-1.25 X 46mm Studs

(1) Spark plug adapter cover

(1) Exhaust pipe gasket

(1) Cylinder head gasket

(1) Cylinder base gasket

(2) 10mm-1.25 Banjo bolts

(2) 10mm Crush washers

(4) 12mm Copper crush washers

(4) Red aluminum bolts W/internal 8mm-1.25 thread




  • Grom125 2014-2015, 2017-2019
  • Grom125A ABS 2018-2019


Ships in 2-3 days



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