DIAMOND PISTONS
Diamond 5.3L L83 3.780 Bore 3.622 Stroke -9.5cc Flat Top Piston Kit 21506-R1-8
- PART NUMBER:
- 21506-R1-8
- MPN:
- 21506-R1-8
- Availability:
- Ships from Manufacturer
- Shipping:
- Free Over $98 In U.S. 48
- Type:
- Flat Top Pistons
- Bore (in.):
- 3.780
- Stroke (in.):
- 3.622
- Rod Length (in.):
- 6.125
- Compression Height (in.):
- 1.304
- Crown Volume (cc):
- -9.5
- Compression Ratio w/57cc:
- 9:6
- Wrist Pins Included:
- Yes
- Wrist Pin Material:
- 8620
- Pin Diameter (in.):
- 0.927
- Pin Length (in.):
- 2.500
- Alloy:
- 2618
- Rings Included:
- Yes
- Ring Sizes:
- 1.2mm, 1.2mm, 2.8mm
- Weight (g):
- N/A
- Int Valve Pocket Depth (in.):
- 0.130
- Exh Valve Pocket Depth (in.):
- 0.150
- Moly Coated Skirt:
- Yes
- For Use w/ Power Adder:
- Yes
- Quantity:
- Sold as set of 8
Description
Diamond 5.3L L83 3.780 Bore 3.622 Stroke -9.5cc Flat Top Piston Kit 21506-R1-8
Diamond EcoTec3 Street Strip Series Pistons are quality pistons for budget minded builds.
Features:
- 3D Milling on crowns provides race ready finish
- Valve pockets depth: 0.130" intake and 0.150" exhaust
- Moly skirt coating provides friction loss and durability
- Offset Pins for quiet operation
- Top Ring down 0.250"
- Premium 1.0mm x 1.2mm x 2.8mm rings included
- Premium 8620 x 0.185"W wrist pins
- 2618 Piston Material for High HP-NOS-Boost Applications
- Side gas ports for better ring seal
- Ratios figured for .053" head gasket