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KB Hypereutectic Pistons · SKB157L.040

KB Hypereutectic Pistons SKB157L.040

Part #: SKB157L.040
UPC: 800745048981

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Description: KB Hyper Left Single Piston - Chevy 327 Rod 5.700 Solid Dome -.5cc 2V; 4.000 +.040", .153" SD -5cc w/2V,Top Ring:5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Comp Ratios: 11.3w/58cc,10.7/62cc,10.5w/64cc,9.1w/76cc,Gram weight 627/145, INT-Valve Depth/DIA .280-2.168", EX-Relief Depth/Dia .280-2.168"

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"
  • Ring Set: 4000AM8
  • Stroke: 3.250
  • Comp HT: 1.678
  • O.E Deck HT: 9.025
  • Lock Ring:PRJ100-3
  • .153" SD-5cc w/2 Valve Reliefs
  • 2 Symmetrical valve reliefs
  • Centered Pin
  • Pin Size: 0.9272/ Pin# 0927X300K

Specifications

GTIN
00800745048981
Life cycle
Available to Order
AAM brand code
KBP
Warehouse brand code
BJDT
AAIA brand code
BJDT

Attributes

Alloy
390
Base Number
KB157
Bore (in)
4
Bore (mm)
101.6
Compression Ratio
58-11.3, 62-10.7, 64-10.5, 76-9.1
Crown (cc)
-.5cc
Crown Type
.100" SOLID DOME 2V
Eng. Disp Liters
5.4
Eng. Disp. In.
327
Engine Family
Chevrolet SB V8 Gen I
Engine Manufacturer
Chevrolet
Exhaust Valve Depth/diameter
.280/2.168
Intake Valve Depth/diameter
.280/2.168
Lock
PRJ100-3
Make For Engine Family
General Motors
Oe Deck Height
9.025
Oversize
.040
Oversizes
STD .020 .030 .040 .060 .070
Pin Configuration
Centered
Pin Diameter (in)
.927
Pin Diameter (mm)
23.5
Pin Number
0927X300K
Pin Type
Floating
Ring Pack
5/64, 5/64, 3/16
Rod (in)
5.7
Rod (mm)
144.78
Sold As
SINGLE
Stroke (in)
3.25
Stroke (mm)
82.6
Top Land
.275
Year From
1962
Year Range
1962-1969
Year To
1969

Fitment status

This product is universal and will fit your application.