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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27
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Description
4" Bore Cast Piston Rings Set for Chevrolet SBC 302 327 350Note: This item ships in standard bore by default. If oversize is needed, please message us when ordering. Cast. 5 64 5 64 3 16" ring package. Deep oil ring Sizes available: . std, . 020", . 030", . 040", . 060", . 080" Performance Part: No Interchange Part Number: 139, 50564, e 251x, small block chevy, 5. 7L Type: Piston Ring Ring Size: 5 64" 5 64" 3 16" OE Spec or Performance Custom: OE Spec Fitment Type: Direct Replacement Cylinder Bore Diameter: 4
Note: This item ships in standard bore by default. If oversize is needed, please message us when ordering.
Cast. 5/64 5/64 3/16" ring package. Deep oil ring
Sizes available: .std, .020", .030", .040", .060", .080"
Performance Part: No
Interchange Part Number: 139, 50564, e-251x, small block chevy, 5.7L
Type: Piston Ring
Ring Size: 5/64" 5/64" 3/16"
OE Spec or Performance/Custom: OE Spec
Fitment Type: Direct Replacement
Cylinder Bore Diameter: 4 in
Manufacturer Warranty: Unspecified Length
Items Included: Piston Rings
Manufacturer Part Number: R40058
Brand: Enginetech
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.8 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
"The Expresso cup that could"
Color: 01_ Silver 1pc
This little espresso cup is perfect in all ways. The stainless steel is great if you happen to drop it on the floor.
Nice and shiny with a touch of elegance, it just brings a smile to your face.
Great little cup for my espresso!
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Works well, measurement markings holding up
Color: 01_ Silver 1pc
This is a nice espresso shot cup. It's wide enough to catch both espresso streams coming down from the portafilter. I really like the measurement markings on the inside. I was concerned when I bought it that the markings might come off over time. I've had it for several months, and so far the marking are holding up well even when run through the dishwasher.
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Reviewed in the United States on January 6, 2026
★★★★★ 5
Efficient
Color: 01_ Silver 1pc
This cup holds two shots and then some. It fits perfectly under to catch the espresso. The material is durable and it’s easy to clean. I recommend this!
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Does what it's supposed to do
Color: 01_ Silver 1pc
Works well for a double espresso. Small but large enough to fit under two spouts.
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Reviewed in the United States on March 17, 2026
★★★★★ 5
Works
Color: 01_ Silver 1pc
Handy for measuring espresso and beans.
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Reviewed in the United States on May 18, 2026