Best Sealed Power Hypereutectic Pistons in 2026

This is a set of standard 87mm Slip In Type 1 pistons and cylinders. This kit requires no machine work and will slide right in to any 1500 or 1600cc air cooled VW engine making it a 1641cc.

Kit includes: 4 Cylinders, 4 Pistons, A set Piston Rings, and 4 wrist pins and clips.

Engine size: 1641cc; Stroke: 69mm

Compatible replacements for 4.8L & 5.3L GM LS Engines. For Standard 3.780" Bore Engines

Please SEE Product description for Applications & VIN Codes. Floating Pins

We have these available with rings on Amazon also!!

PLEASE CONFIRM YOUR PIN DIAMETER of .9451"

Replacement for 1999-2003 5.3L VIN Code "T"

For engines bored +.020" over size or 3.7996" Bore Diameter

compatible with 1972-97 Ford 460 engines

Ring Brand depends on availability at time of purchase.

For blocks bored +.030" 4.390" Bore Diameter.

Compatible with Chevrolet 7.4L 454. Domed head .100" high (+10.5cc)

5/64" 5/64" 3/16" ring grooves. Hastings or Mahle rings. Good for street or race/nitrous to 150 shot

For stock length 6.135" rods Press-fit or floating pin

Package Dimensions: 46.99 H x 12.7 L x 23.495 W (centimeters)

Package Weight: 6.055 kilograms

Country of Origin : India

CLICK ON BOX FOR OVER SIZE NEEDED BEFORE ADDING TO CART

For stock length 6.135" rods Press-fit or floating

+22CC Domed head .230" high w/2-valve reliefs

CLICK ON BOX FOR OVER SIZE NEEDED BEFORE ADDING TO CART

Compatible with 1968-90 Chevrolet 350ci V-8 - 4.030 bore diameter

Includes Mahle or Hastings Moly ring set depending on availability!

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

Click ON CORRECT OVER SIZE NEEDED BEFORE PLACING IN CART

For Chevy 454 Stock length 6.135" rods and Stock 4.000" stroke.

.989" pin dia. Weight matched to Plus/Minus 2 grams

Replacements for 454 Chevrolet Standard 4.250" Bore Diameter. Domed head .340" high (30cc) w/2-valve reliefs.

For stock length 6.135" rods

Press-fit or floating pin. 4.250" STD Bore Diameter

Enginetech pistons have superior size and weight grading within each set. Most Enginetech pistons are decked 0.010Ó to 0.020Ó to compensate for oversized bores and head/deck milling. Enginetech pistons are manufactured with state of the art materials to match OE requirements. We offer cast aluminum, hypereutectic, and forged applications. Treatments such as skirt coatings, anodized heads & Ni-resist inserts are used as required.

Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.

GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment price

All parts manufactured in South Korea, the same place the Korean cars they fit are manufactured

All parts meet strict quality standards to ensure the correct fit and function the first time

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

Compatible with 1964-1992 Ford 289 & 302

Click on size need before adding to Cart!

Pistons can be press fitted or Floated. Lock rings Not included!

High-quality premium performance pistons are a special hypereutectic T5 aluminum alloy

This alloy makes it possible to build a lightweight piston that makes more power, runs great, uses less fuel and lasts longer than other pistons

Kit includes 2 cast pistons, 1 set of Hastings moly rings and piston pin clips

Made from 390 alloy and heat-treated to T6 standards, which makes them 30% stronger than ordinary untreated hypereutectic

100% CNC-machined crowns, high upper compression-ring location, gas-accumulator groove, drilled oil returns, and spiral-lock retainer grooves

Lightweight, rigid-rib skirt design that stabilizes the piston in the bore