Best Kb Performance Pistons in 2026

4.030 inch bore size

Package Dimensions: 48.285 H x 12.903 L x 39.395 W (centimeters)

Package Weight: 5.348 kilograms

Country Of Origin: United States

Model Number: KB290.030

Item Package Dimension: 9.98" L x 7.1" W x 4.8" H

4.030 inch bore size

The package length is 9.98 inches

The package height is 4.8 inches

Bore: 4.000''

Compression Height: 1.560''

Flat Top: -6.0cc 4 Symmetrical Valve Reliefs

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

Alloy: Premium 4032...

Bore:...

Crankshaft Stroke:...

Fit type: Vehicle Specific

Package Dimensions: 4.8 H x 9.98 L x 7.1 W (inches)

Package Weight: 15.0 pounds

4.350 inch bore size

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

This is a new set of standard 85.5mm 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 1600cc.

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

Engine size: 1600cc; Stroke: 69mm

SELECT OVER SIZE NEEDED BEFORE PLACING IN CART

Replacements for 1967-90 Chevy 350 pistons - H345DCP 30 in 4.030" Bore Size.

For Engines bored +.030" Over size

Includes Barrels Pistons Wrist Pins And Wrist Pin Clips

Machining Of Heads And Case Required

Cast Piston And Cylinder Set

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

Includes Barrels Pistons Wrist Pins And Wrist Pin Clips

Machining Of Heads And Case Required

Cast Piston And Cylinder Set

OE replacement top end piston kit

Includes top end gaskets, piston, ring(s), pin, circlips

Made in Italy

Includes Barrels Pistons Wrist Pins And Wrist Pin Clips

Machining Of Heads And Case Required

Cast Piston And Cylinder Set

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

Power Forged Good for street/strip or race/nitrous to 150 shot

5/64" 5/64" 3/16" ring grooves

Press-fit or floating. Pin diameter: .989" (included).

LS 6.0L/6.2L FT Forged Piston Set 4.000 Bore

Part number: IC9991C.STD

SEALED POWER 4.154 in Bore Big Block Chevy Forged Piston 8 pc P/N L2240NF60

compatible with Ford 351C Cleveland V-8.

Bore: 4.030 in. Compression Height: 1.647 in

Stock Stroke: 3.500 inch

Includes Barrels Pistons Wrist Pins And Wrist Pin Clips

Machining Of Heads And Case Required

Cast Piston And Cylinder Set

THIS IS BRAND NEW: DNJ® Piston Set Standard Size

FITS: 11-16 Chrysler, Dodge, Ram 3.6L V6 DOHC Naturally Aspirated

FITMENT NOTES: Set Services Complete Engine, 1.2x1.2x2.0

Includes Barrels Pistons Wrist Pins And Wrist Pin Clips

Machining Of Heads And Case Required

Cast Piston And Cylinder Set

Brake System

Features genuine weld quality for superior performance

These are complete line of Heavy-Duty Shop Products that will bring you years of reliable performance

Specs: Description: Top End Piston Kit, One part number includes everything for a top end rebuild. Includes Vertex piston, rings, wrist, pin, circlips, and top end gasket kit. Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance. 2-stroke applications include wrist pin bearing. 4-stroke applications include Hot Cams cam chain for a more complete rebuild.

Compatible With/Replacement For: Kawasaki KX 85 2001-2013

1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.

Includes Barrels Pistons Wrist Pins And Wrist Pin Clips

Machining Of Heads And Case Required

Cast Piston And Cylinder Set

OE replacement top end piston kit

Includes top end gaskets, piston, ring(s), pin, circlips

Made in Italy

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