Engine15253 Products
$ 201.95
Product Name: CYLINDER KIT HYPER RACE DOMED 47.6MMProduct Type: Big Bore KitBrand: ATHENAMFG Part
Number: 070100Features:
Feature a cast aluminum cylinder with a nickel carbide plated bore
All kits come with a cylinder, cylinder head, piston assembly (piston, rings, wrist pin, and circlips), carbon reeds and all top end gaskets
$ 201.95
Product Name: CYLINDER KIT HYPER RACE W/HEAD 46.6MMProduct Type: Big Bore KitBrand: ATHENAMFG Part
Number: 070200Features:
Feature a cast aluminum cylinder with a nickel carbide plated bore
All kits come with a cylinder, cylinder head, piston assembly (piston, rings, wrist pin, and circlips), carbon reeds and all top end gaskets
$ 384.95
Product Name: BIG BORE KIT GROM 170CCProduct Type: Honda Grom/Monkey Big Bore KitBrand: KOSOMFG Part Number: MB623002Description: Unleash all the power your Honda GROM can handle with the Koso 170cc Big Bore kit.Features: Ceramic coated aluminum cylinder 61mm bore, 11.5:1 compression ratio forged piston/ring kit (premium fuel required) Top end gasket kit...
$ 94.95
Product Name: CAM CHAIN TENSIONER ASSEMBLYProduct Type: Honda Grom/Monkey Cam Chain Tensioner AssemblyBrand: KOSOMFG Part
Number: MU623000Features:
High quality OEM replacement cam chain tensioner assembly
Lasts longer than OEM units (which are prone to premature wear issues)
Highly recommended for use with Koso big bore kits
$ 1,039.95
Product Name: GROM 170CC BIG BORE KIT W/4-VALVE CYLINDER HEADProduct Type: Honda Grom/Monkey Big Bore Kit w/4-Valve Cylinder HeadBrand: KOSOMFG Part Number: MB623003Features: Koso ceramic coated big bore cylinder kit forged w/4-valve piston and gaskets Koso 4-valve cylinder head (complete with camshaft, rocker arms, intake manifold, and all other parts shown in...
$ 144.95
Product Name: GROM CAMSHAFT KITProduct Type: Honda Grom/Monkey Camshaft KitBrand: KOSOMFG Part Number: MM623002Features: The Koso 240° camshaft increases power and torque compared to the stock camshaft Can be used with a stock engine, or for optimal gains, use with the Koso 170cc Big Bore Kit Not legal for use in California...
$ 53.95
Product Name: GROM HI-FLO OIL PUMPProduct Type: Honda Grom/Monkey High Flow Oil PumpBrand: KOSOMFG Part
Number: NF623000Features:
Highly recommended for use with all engine upgrades
Increases oil flow by 40%
Helps prevent engine failure and lowers oil temperature
$ 110.95
Product Name: PISTON/RING KIT REPLACEMENT PARTProduct Type: Piston/Ring KitBrand: KOSOMFG Part
Number: MD623000
$ 33.95
Product Name: TOP END GASKET KIT REPLACEMENT PARTProduct Type: Top End Gasket KitBrand: KOSOMFG Part
Number: MA623100