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Engine Piston Kit | KB133KTM.030

For use with 14° heads. 1967 and up. Piston is .025 below factory deck. Check small end of rod to piston before assembly / .045" clearance per side minimum. Distance between pin bosses is approx. 1.430".

KB Hyper Piston - Pont 400, Rod 6.630, Flat Top +6cc 2V Kit with Rings

PDF Documents
KB_Automotive_Installation_Instructions.pdf pdf Installation Instruction

Product Specifications
Sold As Complete Piston and Ring Kit
Engine Manufacturer Pontiac
Engine Family Pontiac V8
Year Range 1967-1979
Bore Diameter IN 4.12
Bore (in) 4.12
Bore Diameter MM 104.6
Bore (mm) 104.6
Eng. Disp Liters 6.6
Stroke (in) 3.75
Stroke (mm) 95.3
Eng. Disp. Liters 6.6
Oversized Yes
Eng. Disp. In. 400
Compression Height IN 1.71
Oversize .030
Oversizes .030 .040 .060
Rod (in) 6.625
Rod (mm) 168.275
Pin Number 0980x300K
Oe Deck Height 10.25
Compression Height IN 1.71
Pin Configuration Centered
Compression Height MM 43.4
Crown (cc) +6cc
Lock PRH107-3
Compression Ratio 71-10.7, 87-9.2, 96-8.5, 111-7.6
Crown Type FLAT TOP 2V
Pin Type Press or Floating
Pin Diameter (in) .980
Intake Valve Depth/diameter .240/2.140
Pin Diameter (mm) 24.9
Alloy Cast 390 Hypereutectic Alloy
Exhaust Valve Depth/diameter .240/2.140
Ring Pack 5/64, 5/64, 3/16
Piston Material Cast 390 Hypereutectic Alloy
Top Land .300
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