108mm Big Bore Kit - KTM 690 Gen 5 Performance Upgrade (692cc to 733cc)

108mm Big Bore Kit for KTM 690 Gen 5 - Ultimate Performance Upgrade Transform your KTM 690 with this premium 108mm big bore kit that increases displacement from 692cc to 733cc. Engineered for bolt-on installation with OEM-type fitment, this kit delivers massive torque gains and improved power delivery across the entire RPM range. Premium Components: CP-built piston with Mahle ring pack for reliability DLC coated piston pin for reduced friction Heavy milling to match the OEM piston weight, no balance needed Calico skirt coating for durability Cerakote cylinder with logo finish Manual cam chain tensioner included Complete Kit Includes: Complete piston kit assembly Cylinder with cerakote logo Head gasket and base gasket New cylinder head bolts Manual cam chain tensioner Proven Performance: See dyno chart for documented power and torque improvements. Important Fitment: Only fits Gen 5 engines with counterbalancer in the head. Core Exchange Note: If you select to send a core, your orde