170cc Big Bore Cylinder/Head Kit for Honda Grom - Grom Big Bore/4V Head Kit

Retail Price: $1,039.95
You save: $104.00 (10%)
Our Price: $935.95

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Details

Model: MB623003
Shipping Weight: 12.2lbs
5 Units in Stock
Manufactured by: KOSO

Description

Grom Big Bore/4V Head Kit

Color: Silver

California Restricted

California laws prohibit (in most cases) the use of any aftermarket product whose installation requires the removal of any emissions control related components as regulated by the California Air Resources Board (www.arb.ca.gov).

If an item is designated as "Competition and Racing Vehicles Only", we will require a race waiver be digitally signed before an item can ship to California. If an item is to be exported from California, an export waiver is available as well. This is a REQUIRED guarantee from you that a restricted item will NOT be used on any public highway in California; only on private race tracks in racing or competition use.

The Koso 170cc Big Bore Cylinder and 4-Valve Head Kit is designed to enhance the performance of the Honda Grom and Monkey. Featuring a unique four-valve design, this kit increases airflow, power, and torque for improved engine performance. Constructed from high-quality materials for durability and reliability, the kit includes a 170cc ceramic-coated cylinder, forged piston, performance camshaft, crankshaft bearing, rocker arms, 4-valve cylinder head, intake manifold, and gaskets. The cylinder head comes complete with stainless steel 24mm intake valves and 20mm exhaust valves. This kit is intended for racing applications and is not legal for use on pollution-controlled vehicles in California.