Diamond's new R Series pistons are machined using their newest and most precise CNC equipment.
Designed for GM Gen V LT1/LT4 engine base
Piston crowns designed to work with OEM direct injection
3D milling on piston crowns for ready to install finish
Offset pins for quiet operation
Inboard forging design for maximum strength
Moly skirt coating for friction loss and skirt wear protection
Top ring down dimension: .300"
Ratios figured for 4.125 x .050 head gasket
Premium 1.2mm x 1.2mm x 3.0mm ring package included
Premium 8620 .180W wrist pins chamfered for roundwire locks included
Valve pocket depth: 0.200" intake and .200" exhaust
2618 material for High HP/Boost applications
These pistons are available in a broad range of sizes and configurations. The BUY NOW link below will take you to a webpage with a table that lays it all out for you.
H13 tool steel is also available as a wrist pin upgrade. This high-strength alloy is well known for its ability to resist fatigue and thermal cycling.
Want to see Diamond pistons at work in one of our LS builds? Click on the video link above.
Please give us a call if you have any questions - 815-725-2727.