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Engines and Components› Pistons and Piston Rings

KB PERFORMANCE PISTONS

BBF Flat Top Piston Set 4.420 Bore -2.5cc

$654.39 $523.97 Save $130.42

SKU: K02K KB137.060

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The KB Series Hypereutectic 390 Alloy with 16% Silicon Pistons are T-6 heat-treated and feature machining usually found in forged pistons, including CNC machined pin bores, diamond-finished skirts, and accumulator grooves. They are designed for high-performance, marine, drag, circle track, and towing applications for the Ford BB 460 engine. This set of eight pistons includes lockrings and pins.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandKB PERFORMANCE PISTONS
Part NumberK02K KB137.060

Videos

KB Pistons and Ring End Gap

KB Pistons and Ring End Gap
Ford 460 - 532 Stroker

Ford 460 - 532 Stroker
460 rebuild Part 9 The pistons are in .

460 rebuild Part 9 The pistons are in .
MASSIVE Torque - FIXING the Ford 460 - Ask Ed Ep 19 - Ed Smith w #barryt

MASSIVE Torque - FIXING the Ford 460 - Ask Ed Ep 19 - Ed Smith w #barryt
EASY extra HP for the Ford 460 - Ask Ed 27 - Ed Smith w #BarryT

EASY extra HP for the Ford 460 - Ask Ed 27 - Ed Smith w #BarryT
Cast vs Hypereutectic vs Forged Pistons | Whats the Difference?

Cast vs Hypereutectic vs Forged Pistons | Whats the Difference?
Engine Failure!? Watch if you are running Hypereutectic pistons!

Engine Failure!? Watch if you are running Hypereutectic pistons!
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 |
2618 or 4032? Tips for Choosing the Best Piston Alloy for Your Performance Engine from RaceTec

2618 or 4032? Tips for Choosing the Best Piston Alloy for Your Performance Engine from RaceTec
Cast vs. Forged Pistons: Which One is Best for Your Engine?

Cast vs. Forged Pistons: Which One is Best for Your Engine?
EXCESSIVE Piston to Bore Clearance?

EXCESSIVE Piston to Bore Clearance?
A Better Way to Install Rods on Pistons

A Better Way to Install Rods on Pistons
KB Pistons and Ring End Gap

KB Pistons and Ring End Gap
Keith Black Hypereutectic Piston Info (Ring End Gap)

Keith Black Hypereutectic Piston Info (Ring End Gap)

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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