Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series Pistons 21503-R1
Part Number: DPP-21503-R1
Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series Pistons
Comp Series L83 3.800B/3.622S/6.125R/1.3
See More Specifications
|
Check the Fit
Estimated Ship Date: Dec 14, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
21503-R1
Part Type:
Product Line:
Summit Racing Part Number:
DPP-21503-R1
UPC:
193564387653
Piston Rings Included:
Yes
Bore (in.):
3.800 in.
Bore (mm):
96.520mm
Stroke:
3.622 in.
Engine Stroke Type:
Stock
Actual Engine Displacement:
5.4L/329
Rod Length:
6.125 in.
Piston Style:
Dome, with no valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.304 in.
Piston Head Volume (cc):
+2.00cc
Wrist Pin Style:
Floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.943 in.
Piston Ring Thickness:
1.00mm x 1.20mm x 2.80mm
File Fit:
Yes
Gapless:
No
Top Ring Thickness:
1.0mm
Top Ring Material:
Steel
Top Ring Facing Material:
Gas nitrided
Second Ring Thickness:
1.2mm
Second Ring Material:
Ductile iron
Second Ring Facing Material:
Ductile napier
Oil Ring Thickness:
2.8mm
Oil Ring Material:
Stainless steel
Oil Ring Tension:
Standard
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Piston is 2618 material.
Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series Pistons
Diamond Pistons Chevy L83 Ecotec3 5.3L Street/Strip Series pistons are available for a variety of applications, including many Chevy small block Gen V engines from 2014 and up. Forged from aluminum with no valve reliefs, the dome-style pistons are offered in different bore sizes and numerous other options. Order individually or in a set of 8.
Additional details:
* 1,200 hp rated
* Forced pin oilers from the oil ring
* Pin fitted
* Moly coated skirts
* 3-D pockets
* Pins, locks, and support rails (if required) included
Applications
Loading...
Loading...
Questions & Answers
Ask a Question
What type of question would you like to submit?
I have a Customer Service question
(order, shipping, returns, protection plans, etc.). Customer Service Question
(order, shipping, returns, protection plans, etc.). Customer Service Question
- OR -
I would like to ask other customers
a question about this Product. Product Related Question
a question about this Product. Product Related Question
Loading...
Reviews Write a Review
Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Email this page
