Exterior Components› Body Panels and Components

United Engine & Machine Co

PONTIAC 400 ROD 6.630 DCUP +17CC 2V KB HYPER PISTON SET

$68.95

SKU: U00B KB346.030

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

PONTIAC 400 ROD 6.630 DCUP +17CC 2V KB HYPER PISTON SET

MIA's Description

The United Engine & Machine Co. KB346.030 is a set of eight pistons designed for Pontiac V8 engines. These pistons feature a dish style with two valve reliefs and are constructed from hypereutectic aluminum. They have a bore size of 4.150 inches and a stroke of 3.750 inches.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB346.030

Videos

Engine Failure!? Watch if you are running Hypereutectic pistons!

Engine Failure!? Watch if you are running Hypereutectic pistons!
Custom Ross - Butler Performance piston and rod assembly. Pontiac short block, Part 6

Custom Ross - Butler Performance piston and rod assembly. Pontiac short block, Part 6
The Truth: Cast vs Hypereutectic Pistons - Which One Is Better? | Engine Building 101 |

The Truth: Cast vs Hypereutectic Pistons - Which One Is Better? | Engine Building 101 |
Cast vs Hypereutectic vs Forged Pistons | Whats the Difference?

Cast vs Hypereutectic vs Forged Pistons | Whats the Difference?
Cast vs. Forged Pistons: Which One is Best for Your Engine?

Cast vs. Forged Pistons: Which One is Best for Your Engine?
Pistons and Engine Compression Ratio - FAQ - Summit Racing Quick Flicks

Pistons and Engine Compression Ratio - FAQ - Summit Racing Quick Flicks
Fool proof installing pistons on rods of a Small Block Chevy

Fool proof installing pistons on rods of a Small Block Chevy
Bottom End Buyers Guide - How to Choose the RIGHT Pistons Rods Bearings Studs Gaskets Cranks Sleeves

Bottom End Buyers Guide - How to Choose the RIGHT Pistons Rods Bearings Studs Gaskets Cranks Sleeves
Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts

Which Forged Pistons Are Right For Your Build? | 🏁 Fast Facts
A Better Way to Install Rods on Pistons

A Better Way to Install Rods on Pistons

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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