Wiseco 4892M08400 Piston Kit - 3.00mm Oversize to 6.00mm, 13.5:1 Compression protection-chest-back System contains a Merge X-Pipe

System contains a Merge X-Pipe for increased power while adding a great sound

Accepts 3-1/8in

eliminating almost all bushing deflection

Raises bars an additional 11/4in

Wiseco 4892M08400 Piston Kit - 3.00mm Oversize to 6.00mm, 13.5:1 Compression protection-chest-back System contains a Merge X-PipeBore: 6. 00mm Compression: 13. 5: 1 Compression Sizing: 3. 00mm Oversize SPECIFICATIONS. Displacement: 1396cc. Bore Standard: 81. 00mm. Bore Actual: 84. 00mm. Bore Oversize: 3. 00mm. Stroke: 63. 00mm. Compression Ratio Actual: 13. 5: 1. Dome Type: Flat Top. Note: Cylinder boring required. Note: Cylinder replating required. ITEM CONTENTS. 3307XC 84. 00 mm Ring Set. CW20 ROUND WIRE PIN LOCKS 20MM (PAIR). S520 PistonPin 20mm x 2. 362in. NonChromed TW All