Skip to main content
888-919-7767 Mon - Fri: 8am - 5pm EST
KB Hyper Performance Piston Set, KB378.020

390 CID, FE Big Block

KB Hyper Performance Piston Set, KB378.020

SKU: 808021

$409.99$455.04Save $45.05
1
Description

KB Hyper Piston - Ford 428FE Rod 6.490 Step Dish +28cc 2V

Centered pin.

Sold As: Piston Set

Engine Manufacturer: Ford

Engine Family: Ford BB V8 FE

Engine Displacement (Liters): 7

Engine Displacement (cubic inches): 428FE

Bore Size (in): 4.13

Bore Size (mm): 104.9

Piston Head Type: Dish

Crown (cc): +28cc

Compression Ratio: 60-10.1, 68-9.3, 73-9.1, 88-8.1

Top Land: 0.308

Pin Type: Press or Floating

Compression Height IN: 1.673

Pin Diameter (mm): 24.8

Bore Diameter MM: 104.9

Compression Height MM: 42.5

Bore Diameter IN: 4.13

Pin Number: 0975x300K

Rod (in): 6.49

Stroke (in): 3.98

Ring Pack: 5/64, 5/64, 3/16

Lock: PRH107-3

Intake Valve Depth/Diameter: .186/2.150

Make for Engine Family: Ford

OE Deck Height: 10.17

Base Number: KB378

Piston Material: Cast 390 Hypereutectic Alloy

Alloy: 390

Oversizes: .020, .040

Pin Diameter (in): 0.975

Oversize: .020"

Exhaust Valve Depth/Diameter: .186/2.150

Stroke (mm): 101.1

Pin Configuration: Centered

Rod (mm): 164.846

Oversized: Yes

Crown Type: STEP DISH 2V

Year Range: -

Specifications
SKU
808021
Category
390 CID, FE Big Block