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KB Hypereutectic Pistons · SKB403.060

KB Hypereutectic Pistons SKB403.060

Part #: SKB403.060
UPC: 800745108326

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Description: KB Hyper Single Piston - Ford 521 Rod 6.700 D-Cup 30cc 1V; 4.360+.060", D-Cup 30cc w/ 1V,Top Ring:1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Comp Ratios:10.2/76cc,9.7/82cc,9.1/91cc,8.8/97cc,Gram weight 623/158, INT-Valve Depth/DIA .251-2.450", EX-Relief Depth/Dia -NA

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: 4.360 +.060"
  • Check rod side clearance
  • Pin Size:0.9898/ Pin#0990X300K
  • Ring Set: 4360BD8
  • Stroke: 4.300
  • Comp HT: 1.450
  • O.E Deck HT: 10.320
  • Lock Ring:PRG110-3
  • D-Cup 30cc w/1 Valve Relief
  • Centered Pin
  • Includes spacer ring
  • Made from Ford 460 block

Specifications

GTIN
00800745108326
Life cycle
Available to Order
AAM brand code
KBP
Warehouse brand code
BJDT
AAIA brand code
BJDT

Attributes

Alloy
390
Base Number
KB403
Bore (in)
4.36
Bore (mm)
110.7
Compression Ratio
76-10.2, 82-9.7, 91-9.1, 97-8.8
Crown (cc)
+30cc
Crown Type
D-CUP 1V
Eng. Disp Liters
8.5
Eng. Disp. In.
521
Engine Family
Ford BB V8 429/460
Engine Manufacturer
Ford
Intake Valve Depth/diameter
.251/2.450
Lock
PRG110-3
Make For Engine Family
Ford
Oe Deck Height
10.32
Oversize
.060
Oversizes
.030 .040 .060
Pin Configuration
Centered
Pin Diameter (in)
.990
Pin Diameter (mm)
25.1
Pin Number
0990x300K
Pin Type
Floating
Ring Pack
1/16, 1/16, 3/16
Rod (in)
6.7
Rod (mm)
170.18
Sold As
SINGLE
Stroke (in)
4.3
Stroke (mm)
109.2
Top Land
.287
Year Range
-

Fitment status

This product is universal and will fit your application.