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KB Hypereutectic Pistons · SKB400L.030

Part #: SKB400L.030
UPC: 800745102553

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Description: KB Hyper Left Single Piston - Chry 383 Rod 6.358 Solid Dome -6cc 2V; 4.250+.030", .220" Solid Dome -6cc w/ 2V,Top Ring:5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Comp Ratios:10.7/72cc,9.8/80cc,9.4/84cc,9.1/88cc,Gram weight 766/190, INT-Valve Depth/DIA .265-2.360", EX-Relief Depth/Dia .265-2.360"

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: 4.250 +.030"
  • Stroke: 3.380
  • Comp HT: 1.908
  • O.E Deck HT: 9.980
  • Lock Ring:PRF116-3
  • .220" Solid Dome -6cc w/2 Valve Reliefs
  • Center Pin
  • Pin Size:1.0940/ Pin#1.094X300K
  • Ring Set: 4250AM8

Specifications

GTIN
00800745102553
Life cycle
Available to Order
AAM brand code
KBP
Warehouse brand code
BJDT
AAIA brand code
BJDT

Attributes

Alloy
390
Base Number
KB400
Bore (in)
4.25
Bore (mm)
108.0
Compression Ratio
72-10.7, 80-9.8, 84-9.4, 88-9.1
Crown Type
.220" SOLID DOME 2V
Eng. Disp Liters
6.3
Eng. Disp. In.
383
Engine Family
Mopar Big Block B
Engine Manufacturer
Chrysler
Exhaust Valve Depth/diameter
.265/2.360
Intake Valve Depth/diameter
.265/2.360
Lock
PRF116-3
Make For Engine Family
Mopar
Oe Deck Height
9.98
Oversize
.030
Oversizes
STD .020 .030 .040 .060
Pin Configuration
Centered
Pin Diameter (in)
1.094
Pin Diameter (mm)
27.8
Pin Number
1.094x300K
Pin Type
Floating
Ring Pack
5/64, 5/64, 3/16
Rod (in)
6.358
Rod (mm)
161.4932
Sold As
SINGLE
Stroke (in)
3.38
Stroke (mm)
85.9
Top Land
.275
Year From
1931
Year Range
1931-1973
Year To
1973

Fitment status

This product is universal and will fit your application.

Resources

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