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KB Hypereutectic Pistons · SKB189.020

KB Hypereutectic Pistons SKB189.020

Part #: SKB189.020
UPC: 800745052902

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Description: KB Hyper Single Piston - Ford 416W Rod -6.123 D-Cup 30cc 2V; 4.000 +.020", D-Cup 30cc w/2V,Top Ring:5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Comp Ratios: 10.1w/55cc,9.7/60cc,9.3w/64cc,8.9/69cc,Gram weight 695/145, INT-Valve Depth/DIA .325-2.120", EX-Relief Depth/Dia .325-1.880"

Description:

Description

KB Series Hypereutectic 390 Alloy with 16% Silicon is a High Performance Piston for Marine, Drag, Circle Track and Towng. Fully machined head and valve reliefs. Mini Grooves to reduce scuffing if overheated. Accumulator Grove aids with compression ring seal. Triple Spiral Lock Rings. Machined in Oil Returns. CNC machined pin bores produce straight and accurately sized bores. Diamond finished skirts.

Features & benefits

  • Bore: 4.000 +.020"
  • Stroke: 4.075
  • Comp HT: 1.310
  • O.E Deck HT: 9.500
  • Lock Ring:PRj-100-3
  • D-Cup 30cc w/2 Valve Reliefs
  • Centered Pin. Oil spacer ring included.Pre-71 blocks .020 shorter. Not enough stock to clean up
  • Pin Size: .9272 / Pin# 0927X300K
  • Ring Set: 4000AM8

Specifications

GTIN
00800745052902
Life cycle
Available to Order
AAM brand code
KBP
Warehouse brand code
BJDT
AAIA brand code
BJDT

Attributes

Alloy
390
Base Number
KB189
Bore (in)
4
Bore (mm)
101.6
Compression Ratio
55-10.1, 60-9.7, 64-9.3, 68-8.9
Crown (cc)
+30cc
Crown Type
D-CUP 2V
Eng. Disp Liters
6.8
Eng. Disp. In.
416
Engine Family
Ford SB V8 Windsor
Engine Manufacturer
Ford
Exhaust Valve Depth/diameter
.325/2.120
Intake Valve Depth/diameter
.325/2.120
Lock
PRJ100-3
Make For Engine Family
Ford
Oe Deck Height
9.5
Oversize
.020
Oversizes
STD .020 .030 .040 .060
Pin Configuration
Centered
Pin Diameter (in)
.927
Pin Diameter (mm)
23.5
Pin Number
0927x300K
Pin Type
Floating
Ring Pack
5/64, 5/64, 3/16
Rod (in)
6.123
Rod (mm)
155.5242
Sold As
SINGLE
Stroke (in)
4.075
Stroke (mm)
103.5
Top Land
.275
Year Range
-

Fitment status

This product is universal and will fit your application.