4.360+.040", Solid Dome -11cc w/ 1V,Top Ring:1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Comp Ratios:13.7/76cc,12.8/82cc,11.6/91cc,11.0/97cc,Gram weight 798/166, INT-Valve Depth/DIA .236-2.370", EX-Relief Depth/Dia .040-1.950"
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.
  • Bore: 4.360 +.040"
  • Stroke: 3.850
  • Comp HT: 1.772
  • O.E Deck HT: 10.320
  • Lock Ring:PRH113-3
  • Solid Dome -11cc w/1 Valve Relief
  • Center Pin
  • Pin Size:1.0400/ Pin#1.0404X300K
  • Ring Set: 436BD8
Attributes
Alloy 390
Base Number KB401
Bore (in) 4.36
Bore (mm) 110.7
Compression Ratio 76-13.7, 82-12.8, 91-11.6, 97-11.0
Country of Origin (Primary) MX
Crown (cc) -11.0cc
Crown Type SOLID DOME 1V
Eng. Disp Liters 7.5
Eng. Disp. In. 460
Engine Family Ford BB V8 429/460
Engine Manufacturer Ford
Exhaust Valve Depth/diameter .040/1.950
GTIN 00800745106056
Hazardous Material Code N
Intake Valve Depth/diameter .236/2.370
Life Cycle Status Code Available to Order
Lock PRH113-3
Make For Engine Family Ford
Oe Deck Height 10.32
Oversize .040
Oversizes STD .020 .030 .040 .060
Pin Configuration Centered
Pin Diameter (in) 1.04
Pin Diameter (mm) 26.4
Pin Number 1.040x300K
Pin Type Press or Floating
Ring Pack 1/16, 1/16, 3/16
Rod (in) 6.605
Rod (mm) 167.767
Sold as PISTON SET
Stroke (in) 3.85
Stroke (mm) 97.8
Top Land .273
Year From 1968
Year Range 1968-2001
Year To 2001

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KB Hypereutectic Pistons KB401.040 KB Hyper Piston - Ford 460 Rod -6.605 Solid Dome -11cc 1V

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Tags: Ford Big Block 429-460