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KB Hypereutectic Pistons · KB438C.060

Part #: KB438C.060
UPC: 800745275868

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Description: KB Hyper Coated Piston-AMC/JEEP 4.6" Stroker with 258" crank

Description:

Description

KB Hyper Coated Piston-AMC/JEEP 4.6" Stroker with 258" crank

Features & benefits

  • 4.6L Jeep stroker from 4.0L block and rods and 258 crank

Specifications

GTIN
00800745275868
Weight
9 lb
Height
5 in
Length
14.5 in
Width
9.5 in
Life cycle
Available to Order
AAM brand code
KBP
Warehouse brand code
BJDT
AAIA brand code
BJDT

Attributes

Alloy
Cast 390 Hypereutectic Alloy
Base Number
KB438C
Bore (in)
3.875
Bore (mm)
98.42
Compression Ratio
8.8:1
Crown (cc)
21.0
Crown Type
Dish
Cylinder Bore Diameter
3.875
Eng. Disp. In.
275
Eng. Disp. Liters
4.5
Engine Family
AMC I6
Engine Manufacturer
AMC/Jeep
Grade Type
Performance
Lock
LR906F
Make For Engine Family
AMC
Oe Deck Height
9.450
Oil Ring Thickness
0.1875
Oversize
.060
Oversized
Yes
Oversized Amount
.060
Oversizes
STD, .020, .030, .040, .060
Pin Configuration
Offset
Pin Diameter (in)
0.931
Pin Diameter (mm)
23.65
Pin Number
0931X222A
Pin Type
Floating
Piston Material
Cast 390 Hypereutectic Alloy
Piston Pin Outside Diameter
0.931
Piston Rings Included
No
Ring Pack
5/65, 5/64, 3/16
Rod (in)
6.123
Rod (mm)
155.52
Second Compression Ring Thickness
0.0781
Sold As
PISTON SET
Stroke (in)
3.895
Stroke (mm)
98.93
Top Compression Ring Thickness
0.0781
Top Land
0.250
Uses Ring Pack
3875AM8.060

Fitment status

This product is universal and will fit your application.

Resources

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