Skip to main content

KB Hypereutectic Pistons · SKB399.030

Part #: SKB399.030
UPC: 800745192011

Loading availability... Log in for inventory
Notify me when this item is in stock.

Description: KB Hyper Piston - Chrysler 318 V8 -6cc Solid Dome 2V; 4.250+.030", .200" Solid Dome -6cc w/ 2V,Top Ring:5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Comp Ratios:12.2/57cc,11.7/60cc,11.0/64cc,10.4/68cc,Gram weight 552/132, INT-Valve Depth/DIA .266-2.200", EX-Relief Depth/Dia .286-2.200"

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: 3.910 +.030"
  • Pin Size:0.9842/ Pin#0984X300K
  • Ring Set: 3910AM8
  • Stroke: 3.310
  • Comp HT: 1.810
  • O.E Deck HT: 9.578
  • Lock Ring:PRH107-3
  • .200" Solid Dome -6cc w/2 Valve Reliefs
  • Center Pin
  • Piston is .010" above a 9.578" deck
  • Does NOT fit Edelbrock 65cc head

Specifications

GTIN
00800745192011
Life cycle
Available to Order
AAM brand code
KBP
Warehouse brand code
BJDT
AAIA brand code
BJDT

Attributes

Alloy
390
Base Number
KB399
Bore (in)
3.91
Bore (mm)
99.3
Compression Ratio
57-12.2, 60-11.7, 64-11.0, 68-10.4
Crown (cc)
-6cc
Crown Type
.200" SOLID DOME 2V
Eng. Disp Liters
5.2
Eng. Disp. In.
318
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
9.578
Oversize
.030
Oversizes
STD .020 .030 .040 .060
Pin Configuration
Centered
Pin Diameter (in)
.984
Pin Diameter (mm)
25.0
Pin Number
0984x300K
Pin Type
Floating
Ring Pack
5/64, 5/64, 3/16
Rod (in)
6.123
Rod (mm)
155.5242
Sold As
SINGLE
Stroke (in)
3.31
Stroke (mm)
84.1
Top Land
.275
Year From
1957
Year Range
1957-2003
Year To
2003

Fitment status

This product is universal and will fit your application.