High-Response Kit for 4AG

BIGVALVEHigh Response Kit for 4AG

High-Response Standard Kit for 4AG : JP¥86,900

Replacing NAPREC Forged Big Valve (INT and EXH) and Cast Iron Valve Guide (Original manufacturer’s type) / Exchanging Valve Guide / Sheet Cutting for Race (Matching the thrusting point) / Head-face cut to 1.0mm

High-Response Race Kit for 4AG : JP¥108,900

Replacing NAPREC Forged Big Valve (INT and EXH) and Combinations Valve Guide for Race / Exchanging Valve Guide / Sheet Cutting for Race (Matching the thrusting point) / Head-face cut to 1.0mm

* The main body of the head is not included in the price. Please send the head in advance.