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Piston, Cast Aluminum, Dish, 3.750 in. Bore, Jeep, 3.8L, 4.2L, Each
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
J8127654
Part Type:
Product Line:
Summit Racing Part Number:
CWA-J8127654
UPC:
848399069440
Piston Rings Included:
No
Bore (in.):
3.750 in.
Bore (mm):
95.225mm
Engine Stroke Type:
Stock
Piston Style:
Dish, with no valve reliefs
Piston Material:
Cast aluminum
Compression Height (in.):
1.581 in.
Wrist Pin Style:
Press-fit
Wrist Pin Retainers Included:
No
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.931 in.
Piston Ring Thickness:
5/64 in. x 5/64 in. x 3/16 in.
File Fit:
No
Gapless:
No
Remanufactured:
No
Quantity:
Sold individually.
Crown Automotive Pistons
Crown Automotive pistons offer value-packed performance you can count on. No matter how many miles you have on your engine, at some point the time will come for a ring job or a rebuild. Crown pistons are available in a variety of styles in durable cast aluminum—or you can choose from their stronger hypereutectic piston options to meet the needs of your application. Select the correct replacement size and let Crown Automotive pistons help make your maintenance project a success.
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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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