Best Sealed Power Hypereutectic Pistons in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for Sealed Power Hypereutectic Pistons

Sealed Power H336CP40 Cast Piston
#TOP1
Sealed Power H336Cp40 Cast Piston
5.1
PM SCORE
Sealed Power H661CP40 Cast Piston
#TOP2
Sealed Power H661Cp40 Cast Piston
5.1
PM SCORE
Sealed Power H693CP60 Cast Piston
#TOP3
Sealed Power H693Cp60 Cast Piston
4.5
PM SCORE

* 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.

Summary of the Best Sealed Power Hypereutectic Pistons of 2026

Market Overview
Sealed Power Hypereutectic Pistons Reviewed
  • Reviews Analyzed: 40 Items
  • PM Avg. Rating: 2.8 / 10
15 Products Evaluated
  • Highest Price: $282.77
  • Lowest Price: $24.60
  • Avg. Price: $138.49

Sealed Power H336Cp40 Cast Piston

FEDERAL-MOGUL
H336CP40
7.87 X 7.87 X 3.94 Inches
11.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

SEALED POWER 4.040 in Bore SBF Hypereutectic Piston 8 pc P/N H336CP40

Sealed Power H661Cp40 Cast Piston

SEALED POWER
H661CP40
10.40 X 22.20 X 5.20 Inches
15.28 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

4.290 in Bore BBC Hypereutectic Piston

Package Dimensions: 51.816 H x 13.97 L x 25.908 W (centimeters)

Package Weight: 7.62 kilograms

Country of Origin : India

Sealed Power H693Cp60 Cast Piston

PROSPEED
H693CP60
14.72 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Sealed Power Speed Pro Flat Top Hypereutectic Coated Pistons Set (8) W/Moly Rings Compatible With Chevy 350 383 3.750" Stroke Cranks. (.040" Bore 4.040")

FALCON PERFORMANCE
H860CP-KIT
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Engine Parts Center 9.75

Features

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

Sealed Power H693Cp30 Cast Piston

SEALED POWER
H693CP30
3.50 X 22.10 X 5.10 Inches
14.72 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Chevy - Individual Piston

Piston - Hypereutectic - 4.280 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Plus 22.0 cc - Coated Skirt - Big Block

Country of Origin: INDIA

Fit type: Vehicle Specific

Sealed Power H336Cp30 Cast Piston

SEALED POWER
H336CP30
9.90 X 19.50 X 4.70 Inches
10.64 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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)

Federal-Mogul H345Dcp Cast Piston

SEALED POWER
H345DCP
19.60 X 9.30 X 4.50 Inches
1.48 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Sealed Power H661Cp60 Cast Piston

SEALED POWER
H661CP60
10.50 X 22.10 X 5.20 Inches
15.28 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IPC-STORE✅ 9.84

Features

SEALED POWER 4.310 in Bore BBC Hypereutectic Piston 8 pc P/N H661CP60

Federal-Mogul H345Dcp30 Cast Piston

SEALED POWER
H345DCP 30
19.60 X 9.30 X 4.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Sealed Power Wh883Cp Cast Piston - Individual

SEALED POWER
WH883CP
5.00 X 5.00 X 5.00 Inches
1.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

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

SEALED POWER
SEAH860CP30-8
19.50 X 9.30 X 4.80 Inches
13.47 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Sealed Power W454Np Cast Piston - Individual

SEALED POWER
W454NP
5.00 X 5.00 X 5.00 Inches
1.41 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autoplicity ✅ 9.69

Features

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

Sealed Power H273Cp60 Cast Piston

SEALED POWER
H273CP60
0.00 X 0.00 X 0.00 Inches
10.80 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
KMJPerformance 9.71

Features

4.060 in Bore SBF Hypereutectic Piston

Package Dimensions: 4.54 H x 19.42 L x 9.31 W (inches)

Package Weight: 6.736 kilograms

Country of Origin : India

Sealed Power Wh423Dcp Cast Piston - Individual

SEALED POWER
WH423DCP
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Hypereutectic

Made w/exclusive FM425 material for excellent strength & scuff resistance - allows tighter bore and improves sealing for less blow-by

Sophisticated "barrel" profiles help optimize oil wedge between skirt and wall.

Piston skirts protected by next-gen DUROSHIELD coating.

TAC ring groove geometry

Weight matched to +/- 2 grams.

Sealed Power Wh345Dcp 30 Cast Piston - Individual

SEALED POWER
WH345DCP30
0.00 X 0.00 X 0.00 Inches
1.66 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autoplicity ✅ 9.69

Features

Hypereutectic

Made w/exclusive FM425 material for excellent strength & scuff resistance - allows tighter bore and improves sealing for less blow-by

Sophisticated "barrel" profiles help optimize oil wedge between skirt and wall.

Piston skirts protected by next-gen DUROSHIELD coating.

TAC ring groove geometry

Weight matched to +/- 2 grams.

Top 10 hypereutectic pistons Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Sealed Power 12
Falcon Performance 1
Federal-Mogul 1
Prospeed 1

Top 10 hypereutectic pistons Brands Pie Chart


We've carried out a comprehensive analysis of 40 reviews on hypereutectic pistons, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select hypereutectic pistons priced around $138.49, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 15 hypereutectic pistons for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

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 pistons to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.