Chevy 327

REQUIRED FIELD: Choose Cyl Bore Size First

• 4.000 in , 101.520 mm (3)
• 4.030 in , 102.281 mm (3)
• 4.040 in , 102.535 mm (3)
• 4.060 in , 103.043 mm (3)

Show all REQUIRED FIELD: Choose Cyl Bore Size First

Cylinder Head

• SBC 23 Degree (12)

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Crankshaft Stroke

• 3.250" (12)

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Piston Pin Diameter

• 0.927" (12)

Show all Piston Pin Diameter

Connecting Rod Length

• 5.700" (12)

Show all Connecting Rod Length

Compression Height

• 1.675" (12)

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Piston Top Aprox. Comp. Ratio

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.4 to 1
  64	9.68 to 1
  70	9.05 to 1

  (1)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.54 to 1
  64	9.79 to 1
  70	9.15 to 1

  (1)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.55 to 1
  64	9.82 to 1
  70	9.18 to 1

  (1)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.66 to 1
  64	9.91 to 1
  70	9.28 to 1

  (1)

• -13cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.45 to 1
  64	8.86 to 1
  70	8.34 to 1

  (1)

• -13cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.57 to 1
  64	8.97 to 1
  70	8.45 to 1

  (1)

• -13cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.58 to 1
  64	8.99 to 1
  70	8.46 to 1

  (1)

• -13cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.69 to 1
  64	9.07 to 1
  70	8.55 to 1

  (1)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	11.76 to 1
  64	10.83 to 1
  70	10.02 to 1

  (1)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	11.89 to 1
  64	10.95 to 1
  70	10.14 to 1

  (1)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	11.93 to 1
  64	10.98 to 1
  70	10.17 to 1

  (1)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.06 to 1
  64	11.08 to 1
  70	10.26 to 1

  (1)

Show all Piston Top Aprox. Comp. Ratio