DIAMOND PISTONS
Diamond LS2K LS 4.125 Bore 4.000 Stroke -3cc Flat Top Piston Kit 21518-RS-8
- PART NUMBER:
- 21518-RS-8
- MPN:
- 21518-RS-8
- Availability:
- Ships from Manufacturer
- Shipping:
- Free Over $98 In U.S. 48
- Type:
- Flat Top Pistons
- Bore (in.):
- 4.125
- Stroke (in.):
- 4.000
- Rod Length (in.):
- 6.125
- Compression Height (in.):
- 1.115
- Crown Volume (cc):
- -3
- Compression Ratio w/69cc:
- 11.3:1
- Wrist Pins Included:
- Yes
- Wrist Pin Material:
- H-13
- Pin Diameter (in.):
- 0.927
- Pin Length (in.):
- 2.250
- Alloy:
- 2618
- Rings Included:
- Yes
- Ring Sizes:
- 1.5mm, 1.5mm, 3.0mm
- Weight (g):
- Call
- Int Valve Pocket Depth (in.):
- 0.200
- Exh Valve Pocket Depth (in.):
- 0.145
- Moly Coated Skirt:
- Yes
- For Use w/ Power Adder:
- Yes
- Quantity:
- Sold as set of 8
- Notes:
- For use with 15 Degree Valve Angle LS Heads
On Sale
Description
Diamond LS2K LS 4.125 Bore 4.000 Stroke -3cc Flat Top Piston Kit 21518-RS-8
Features:
- 3D milling on piston crowns for ready to install finish
- Inboard forging design with fully machined under crown for maximum strength
- Valve pockets designed to work with most aftermarket 15° cylinder heads
- Side gas ports for better ring seal
- Moly skirt coating for friction loss and skirt wear protection
- Top ring down dimension: .280" (1.115cd) .250" (1.053cd)
- Ratios figured for .053 head gasket
- Premium 1.5mm x 1.5mm x 3.0mm ring package included
- Premium H-13 .225W wrist pins included chamfered for round wire locks
- Valve pocket depth: 0.200" intake and .145" exhaust
- 2618 material for High HP-NOS-Boost applications - rated for 2000HP