BOLD MAGENTA part numbers are new for 2026 ENGINE PARTS-UNLIMITED.COM STREET | 2026 ENGINE 1365 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. DESCRIPTION PART # 4V head kit w/ 170cc Big Bore kit 0950-0754 4V head kit only 0950-0755 4V HEAD KITS FOR HONDA GROM 14-21, MONKEY 19-21 •Ideal engine part to complete KOSO’s Big Bore kit •Unique four-valve design increases air flow and performance •Provide more power and torque • Feature a forged piston, stainless steel 24 mm intake valves and 20 mm exhaust valves NOTE: PART #0950-0754 requires PART #s 1010-1865, 1022-0154, 1050-0344, 1050-0345, 1022-0153, 1022-0227, 1021-0013, 0932-0167 and 2103-0362. NOTE: PART #0950-0755 for use with PART #0903-1124 only.Also requires PART #s 1010-1865, 1022-0154, 1050-0344, 1050-0345, 1022-0227, 1021-0013, 0932-0167 and 2103-0362. FITS MODEL PART # EMIS* HONDA Grom 14-21, Monkey 19-21 0932-0167 3 FITS MODEL PART # EMIS* HONDA (CONT) Grom/Monkey 22-25 0932-0305 3 HIGH-FLOW OIL PUMPS • Increases the oil flow by 40%, helping to prevent engine failure •Keeps the engine lubricated to optimize performance •Recommended for bikes equipped with KOSO Big Bore/4V kits (sold separately; see above and page 1364) 0950-0754 0932-0305
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