High-Response Standard Kit for 4G63 : JP¥97,900
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 4G63 : JP¥127,600
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.