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KB Hypereutectic Pistons · SKB356L.040

KB Hypereutectic Pistons SKB356L.040

Part #: SKB356L.040
UPC: 800745191533

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Description: KB Hyper Left Single Piston - Chry 408 Rod 6.123 Step Dish +23.5cc 2V; 4.000+.040",.080" SDish -1.2cc w/2 V,Top Ring:5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Comp Ratios:11.8/562cc,11.5/64cc,10.9/68cc,10.5/72cc,Gram weight 524/132, INT-Valve Depth/DIA .366-2.200", EX-Relief Depth/Dia .366-2.200"

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+.040"
  • Pin Size:0.9842/ Pin# 0984X300K
  • Ring Set: 4000AM8
  • Stroke: 3.580
  • Comp HT: 1.675
  • O.E Deck HT: 9.599
  • Lock Ring:PRH107-3
  • .080" Step Dish -1.2cc w/2 Valve Reliefs
  • Centered Pin
  • Piston may protrude on 1992 and up Magnum truck blocks
  • Does NOT fit 62cc Magnum head

Specifications

GTIN
00800745191533
Life cycle
Available to Order
AAM brand code
KBP
Warehouse brand code
BJDT
AAIA brand code
BJDT

Attributes

Alloy
390
Base Number
KB356
Bore (in)
4
Bore (mm)
101.6
Compression Ratio
62-9.9, 64-9.7, 68-9.4, 72-9.0
Crown (cc)
+23.5cc
Crown Type
QUENCH HEAD 2V
Eng. Disp Liters
6.7
Eng. Disp. In.
408
Engine Family
Mopar Small Block LA
Engine Manufacturer
Chrysler
Exhaust Valve Depth/diameter
.286/2.200
Intake Valve Depth/diameter
.286/2.200
Lock
PRH107-3
Make For Engine Family
Mopar
Oe Deck Height
9.599
Oversize
.040
Oversizes
STD .020 .030 .040 .060 .070
Pin Configuration
Centered
Pin Diameter (in)
.984
Pin Diameter (mm)
25.0
Pin Number
0984x216K
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
Stroke (mm)
101.6
Top Land
.275
Year From
1959
Year Range
1959-2010
Year To
2010

Fitment status

This product is universal and will fit your application.