DSS Racing K3-6020-4155D Features:

• Strong, Heat Resistant 2618 Alloy
• Proprietary "DMAX" Multi Stage Forging Process, Produces' a Superior Forging
• Patented "X Groove" Skirt for Superior Cylinder & Ring Performance & Durability
• Advanced Ring Lands Featuring a Combination of Accumulators and Drilling Ops.
• Ten top Land Horizontal Gas Ports For the Ultimate In Ring seal and Performance
• 4385 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
• DSS XR Heavy Wall Piston Pins
• Precision CNC Finished Pin Bores
• Double Spiro lock Pin Locks, Provide Redundancy
• Drilled Forced Wrist Pin Oiling
• Drilled Bottom Ring Land Intersecting Oil Drain Backs
• Advanced Profile Precision Diamond-Turned Skirts
• Ring Set Required: RS-DM400-4155
• Ring Series: DM400
• Fits Base Engine: 425
• Compression Ratio: 72cc-10.51, 75cc-10.21, 77cc-10.02
• Calculated Zero Deck: 10.6125
• Compression Height: 1.625 in.
• Rod Length: 7 in.
• Stroke: 3.975 in. (OEM Stroke)
• Pin Locking Rings Included: Yes
• Wrist Pin Included: Yes
• Oil Rail Support Ring Included: N/A
• With Rings Without Rings: With Rings
• Total Valve Reliefs: 2