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KB Hypereutectic Pistons · KB373.040

Part #: KB373.040
UPC: 800745069764

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Description: KB Hyper Piston - Chry 360 Rod 6.123 Quench Head +2.8cc 2V

Description:

Description

KB Hyper Piston - Chry 360 Rod 6.123 Quench Head +2.8cc 2V

Features & benefits

  • Centered pin. Piston may protrude on 1992 & up Magnum truck blocks. Quench dome elevated .085". Machining required to achieve optimum quench. Will not work with Magnum or Edelbrock closed chamber heads.

Specifications

GTIN
00800745069764
Weight
12 lb
Height
5 in
Length
19 in
Width
9 in
Life cycle
Available to Order
AAM brand code
KBP
Warehouse brand code
BJDT
AAIA brand code
BJDT

Attributes

Alloy
390
Base Number
KB373
Bore (in)
4
Bore (mm)
101.6
Bore Diameter
4.0
Compression Ratio
62-11.2, 64-11.0, 68-10.5, 72-10.0
Crown (cc)
+2.8cc
Crown Type
QUENCH HEAD 2V
Cylinder Bore Diameter
4
Eng. Disp Liters
5.9
Eng. Disp. In.
360
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
Oversized
Yes
Oversizes
STD .020 .030 .040 .060
Pin Configuration
Centered
Pin Diameter (in)
.984
Pin Diameter (mm)
25.0
Pin Number
0984x300K
Pin Type
Press or Floating
Piston Head Type
Dome
Piston Material
Cast 390 Hypereutectic Alloy
Ring Pack
5/64, 5/64, 3/16
Rod (in)
6.123
Rod (mm)
155.5242
Sold As
PISTON SET
Stroke (in)
3.58
Stroke (mm)
90.9
Top Land
.275
Year From
1958
Year Range
1958-2009
Year To
2009

Fitment status

This product is universal and will fit your application.

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Equivalent Parts