Best Sealed Power Pistons in 2026

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured to GM OE specification for fit, form, and function

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!!

For engine Bored +.030" 3.810" Bore diameter @ .030" over size.

Floating Pins

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

Click on size needed before adding to cart!

Compatible with 2004-2007 Chevy & GM 5.3L trucks with VIN Codes "P", "T" or "Z"

Coated Pistons & Moly top rings

compatible with 2002-09 GM Chevrolet 6.0L LQ4 LQ9 LS2

VIN Codes "6", "H", "N" & "U"

Click size needed before adding to Cart!

4.020" Bore Diameter or .50MM Over Size

Compatible replacements for 2002-2008 GM 6.0L LQ9, LS2 Escalade, Corvette, GTO, SSR, CTS-V

Fits VIN Codes "N" & "U" With Floating Rods or Bushings in pin end of rod.

GM-recommended replacement part for your GM vehicle’s original factory component

Offering the quality, reliability, and durability of GM OE

Manufactured with GM Original Equipment specification for fit, form, and function

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

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

compatible with Kit 2008-10 GM Chevy 6.2L LS3 engine

Flat top coated skirts

Comp. Dist. 1.330", Pin Dia. .943"

Compatible with Vortec 2003-08 6.0L pistons and Rings. 4.020" Bore Diameter

Compatible with 2003-2008 GMC Chevy 6.0L LQ4, LYC, L76 engines

NOTE: Please be sure you Pin diameter is .9429. Some 2003 Models have a .9451" Pin

Compatible replacements for 2004-2007 Chevy & GM 5.3L trucks with VIN Codes "P", "T" or "Z"

For Block bored +.020 Over size. 3.800" Bore dia.

For floatings pins

For blocks +.030" over size 3.810" Bore

Compatible with 1999-2003 GM passenger car models 5.3L VIN "T" engines

For .945" Pin Diameter. Please confirm pin diameter!