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Diamond Pistons Race Series Pistons
Comp Series LS3/L92 4.080B/1.115CD
See More Specifications
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Check the Fit
Estimated Ship Date: Dec 15, 2026
Overview
Brand:
Manufacturer's Part Number:
11524-R1
Part Type:
Product Line:
Summit Racing Part Number:
DPP-11524-R2
UPC:
193564373588
Piston Rings Included:
Yes
Bore (in.):
4.080 in.
Bore (mm):
103.632mm
Stroke:
4.000 in.
Engine Stroke Type:
Stroked
Actual Engine Displacement:
6.8L/418
Rod Length:
6.125 in.
Piston Style:
Dish, with two valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.115 in.
Piston Head Volume (cc):
-21.00cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.927 in.
Piston Ring Thickness:
1.20mm x 1.20mm x 3.00mm
File Fit:
Yes
Gapless:
No
Top Ring Thickness:
1.2mm
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:
3.0mm
Oil Ring Material:
Steel
Oil Ring Tension:
Standard
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Fits 15 degree heads only.
Diamond Pistons Race Series Pistons
Diamond Pistons Race Series pistons will withstand some serious horsepower for your high performance engine. These 2618 aluminum pistons are not only significantly lighter than the factory pistons but also superior in strength. The 2618 alloy is specifically for high-horsepower, nitrous, and boosted engines making up to 2,000 hp.
Diamond Pistons Race Series pistons feature:
* 3D milling on piston crowns for "ready to install" finish
* Inside design forging with fully machined underskirts for maximum strength
* Valve pockets designed to work with most aftermarket cylinder heads
* Side gas ports for better ring seal
* Moly skirt coating for friction-loss and skirt-wear protection
* Premium H-13 wrist pins included; chamfered for round wire locks
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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