Best Sealed Power Hypereutectic Engine Pistons in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Bore: 4.310" (at +.060"); Piston Style: Domed head .210" high (22.0cc); Comp Distance: 1.640"
Pin Diameter: .989" (included); Press-fit or floating; Ring Lands: 5/64"-5/64"-3/16"
For stock 4.000" stroke crankshaft and stock 6.135" length connecting rods; DurOshield Coated Skirts
Appx Compression Ratio (w/+.030" bore): w/106.9cc chambers 10.32:1, w/109.4cc 10.09:1, w/116.9cc 9.48:1, w/119.0cc 9.32:1
1970 Car 454-LS6 - Use in sets only
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Engine Parts Center | 9.75 | ❌ | ❌ | ❌ |
CLICK ON BOX FOR OVER SIZE NEEDED BEFORE ADDING TO CART
For 3.750" stroke crankshafts 4.040" Bore Diameter
350 SBC engines using a 400 crankshaft
USES 5.700" rod Length
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
SEALED POWER 4.030 in Bore SBF Hypereutectic Piston 8 pc P/N H336CP30
Fit type: Vehicle Specific
Package Weight: 6.94 kilograms
Package Dimensions: 11.43 L x 46.736 H x 23.876 W (centimeters)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Country Of Origin: India
Model Number: H345DCP
Item Package Dimension: 19.56" L x 9.31" W x 4.54" H
Item Package Weight: 2.75570068583845 lb
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Package Dimension : 19.56 " L x 9.31 " W x 4.54 " H
Country of Origin: INDIA
Model Number : H345DCP30
Item Package Weight : 2.76 pounds
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Helps improve cylinder sealing for less blow-by
Retains standard ring gaps in top groove
DUROSHIELD skirt-coated piston
Moly-graphite coating extends engine life
Reduces friction for higher fuel economy
Prevents damage from inadequate lubrication on start-up
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Piston, Hypereutectic, 4.030 in Bore, 5/64 x 5/64 x 3/16 in Ring Grooves, Minus 5.0 cc, Coated Skirt, Small Block Chevy, Set of 8
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Autoplicity ✅ | 9.69 | ❌ | ❌ | ❌ |
Cast with FM132 Eutectic proprietary alloy
Performance & dependability of original equipment pistons
High quality aluminum
Utilizes ISO & QS certified manufacturing
Meets or exceeds OEM specifications
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Sealed Power | 6 |
| Falcon Performance | 1 |
| Prospeed | 1 |
We've carried out a comprehensive analysis of 30 reviews on hypereutectic engine pistons, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select hypereutectic engine pistons priced around $134.11, with top brands including a&a, sealed power, united engine & machine co, auto7, gm, federal-mogul and tcj-chen and dnj
Our team of expert editors reviewed these high-quality items and handpicked the top 8 hypereutectic engine pistons for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include autoplicity ✅, amazon.com, speed outfitters, ez automotive, ✅ dune buggy warehouse and yeham and partsology .
We are dedicated to assisting our users in finding the right pistons Products based on their needs, saving them considerable time when choosing which hypereutectic engine pistons to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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