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KB Hypereutectic Pistons · SKB240L.040

KB Hypereutectic Pistons SKB240L.040

Part #: SKB240L.040
UPC: 800745058997

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Description: KB Hyper Left Single Piston - Chry 400 Rod 6.358 Flat Top +5cc 2V; 4.342+.040", Flat Top 8cc w/2 V,Top Ring:5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Comp Ratios: 10.3/72cc,9.5/80cc,9.2/84cc,8.9/88cc,Gram weight 660/190, INT-Valve Depth/DIA .264-2.360", EX-Relief Depth/Dia .264-2.360"

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: 4.342+.040"
  • Stroke: 3.380
  • Comp HT: 1.908
  • O.E Deck HT: 9.980
  • Lock Ring:PRF116-3
  • Flat Top 8cc w/2 Valve Reliefs
  • Centered Pin
  • Pin Size:1.0940/ Pin# 1.0944X300K
  • Ring Set: 4342AM8

Specifications

GTIN
00800745058997
Life cycle
Available to Order
AAM brand code
KBP
Warehouse brand code
BJDT
AAIA brand code
BJDT

Attributes

Alloy
390
Base Number
KB240
Bore (in)
4.342
Bore (mm)
110.3
Compression Ratio
72-10.3, 80-9.5, 84-9.2, 88-8.9
Crown (cc)
+8cc
Crown Type
FLAT TOP 2V
Eng. Disp Liters
6.6
Eng. Disp. In.
400
Engine Family
Mopar Big Block B
Engine Manufacturer
Chrysler
Exhaust Valve Depth/diameter
.264/2.360
Intake Valve Depth/diameter
.264/2.360
Lock
PRF116-3
Make For Engine Family
Mopar
Oe Deck Height
9.98
Oversize
.040
Oversizes
STD .020 .030 .040 .060
Pin Configuration
Centered
Pin Diameter (in)
1.094
Pin Diameter (mm)
27.8
Pin Number
1.094x300KA
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
1971
Year Range
1971-1978
Year To
1978

Fitment status

This product is universal and will fit your application.