Top-end Kit includes:

• 2 SBT Pistons
• 2 Ring Sets
• 2 Wrist-Pins
• 2 Wrist-Pin Bearings
• 2 C-Clips
• 1 Base Gasket
• 1 Water Jacket O-Ring Set
• Exhaust Gasket(s).

NOTE: For 657X applications using OEM rods, you will need 25-105 Wrist Pin Bearings.