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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
$917.97

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
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