DSS Racing K1-3256-4155 Features:

• 6 additional areas of CNC milling for weight reduction in non critical areas
• Thinner Ring Grooves Maximize Critical Ring Land Strength
• Larger CNC Machined Valve Reliefs for More Aggressive Head & Cam Combinations
• Heavy-Duty Piston Pins
• Double True Arc Pin Locks, Provide Redundancy
• Precision CNC Finished Pin Bores
• Drilled Forced Wrist Pin Oiling
• Drilled Bottom Ring Land Intersecting Oil Drain Backs
• Advanced Profile Precision Diamond-Turned Skirts
• Boost and NOS Ready! (Moderate to High Levels)
• Includes matching DSS Racing Ductile Moly ring set.
• Ring Set Required: RS-XP600-4155
• Ring Series: XP600
• Fits Base Engine: 331 Stroker
• Cylinder Head Style: 20-Degree Inline & Twisted Wedge
• Compression Ratio: 58cc-10.05, 64cc-9.42, 70cc-8.87
• Calculated Zero Deck: 8.19
• Compression Height: 1.165 in.
• Rod Length: 5.4 in.
• Stroke: 3.25 in. (Stroker)
• Pin Locking Rings Included: Yes
• Wrist Pin Included: Yes
• Oil Rail Support Ring Included: Required
• With Rings Without Rings: With Rings
• Total Valve Reliefs: 3