Chevy 383

Cylinder Bore Size

• 4.000 in , 101.520 mm (112)
• 4.030 in , 102.281 mm (112)
• 4.040 in , 102.535 mm (112)
• 4.060 in , 103.043 mm (112)
• 4.125 in , 104.693 mm (80)
• 4.155 in , 105.454 mm (80)
• 4.165 in , 105.708 mm (80)
• 4.185 in , 106.215 mm (80)

Show all Cylinder Bore Size

With Rings \ Without Rings

• Includes Rings (384)
• Without Rings (384)

Show all With Rings \ Without Rings

Crankshaft Stroke

• 3.750" (672)
• 3.800" (96)

Show all Crankshaft Stroke

Connecting Rod Length

• 5.700" (432)
• 6.000" (336)

Show all Connecting Rod Length

Piston Pin Diameter

• 0.927" (768)

Show all Piston Pin Diameter

Compression Height

• 1.125" (336)
• 1.400" (96)
• 1.425" (336)

Show all Compression Height

Cylinder Head Type

• SBC 23 Degree (768)

Show all Cylinder Head Type

Piston Series

• 1 - FX 4032 Alloy (184)
• 2 - FX 2618 Alloy (184)
• 3 - FX 2618 Alloy Gas Ports, XP Pin Upgrade, Spiral Locks (184)
• E 4032 Alloy (32)
• SX 4032 Alloy (184)

Show all Piston Series

Piston Top Aprox. Comp. Ratio

• -4cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	11.98 to 1
  64	11.13 to 1
  70	10.39 to 1

  (4)

• -4cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.16 to 1
  64	11.27 to 1
  70	10.52 to 1

  (4)

• -4cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.19 to 1
  64	11.33 to 1
  70	10.57 to 1

  (4)

• -4cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.28 to 1
  64	11.39 to 1
  70	10.64 to 1

  (4)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	11.83 to 1
  64	11.01 to 1
  70	10.28 to 1

  (16)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	11.98 to 1
  64	11.14 to 1
  70	10.4 to 1

  (8)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.01 to 1
  64	11.14 to 1
  70	10.41 to 1

  (16)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.04 to 1
  64	11.2 to 1
  70	10.45 to 1

  (16)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.12 to 1
  64	11.25 to 1
  70	10.53 to 1

  (16)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.15 to 1
  64	11.28 to 1
  70	10.53 to 1

  (8)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.18 to 1
  64	11.33 to 1
  70	10.58 to 1

  (8)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.3 to 1
  64	11.41 to 1
  70	10.68 to 1

  (8)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.44 to 1
  64	11.57 to 1
  70	10.81 to 1

  (16)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.59 to 1
  64	11.71 to 1
  70	10.94 to 1

  (16)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.65 to 1
  64	11.74 to 1
  70	10.99 to 1

  (16)

• -5cc Flat Top SBC 23 Degree

  Chamber	Comp Ratio
  58	12.76 to 1
  64	11.85 to 1
  70	11.06 to 1

  (16)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.39 to 1
  64	9.76 to 1
  70	9.2 to 1

  (16)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.51 to 1
  64	9.88 to 1
  70	9.3 to 1

  (8)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.52 to 1
  64	9.88 to 1
  70	9.31 to 1

  (16)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.57 to 1
  64	9.93 to 1
  70	9.36 to 1

  (16)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.64 to 1
  64	10 to 1
  70	9.42 to 1

  (8)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.64 to 1
  64	9.98 to 1
  70	9.41 to 1

  (16)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.69 to 1
  64	10.04 to 1
  70	9.46 to 1

  (8)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.79 to 1
  64	10.12 to 1
  70	9.54 to 1

  (8)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.93 to 1
  64	10.25 to 1
  70	9.67 to 1

  (16)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	11.05 to 1
  64	10.39 to 1
  70	9.79 to 1

  (16)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	11.1 to 1
  64	10.42 to 1
  70	9.83 to 1

  (16)

• -16cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	11.18 to 1
  64	10.51 to 1
  70	9.9 to 1

  (16)

• -18cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.17 to 1
  64	9.55 to 1
  70	9.03 to 1

  (4)

• -18cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.3 to 1
  64	9.69 to 1
  70	9.14 to 1

  (4)

• -18cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.34 to 1
  64	9.72 to 1
  70	9.18 to 1

  (4)

• -18cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.4 to 1
  64	9.79 to 1
  70	9.23 to 1

  (4)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.03 to 1
  64	9.44 to 1
  70	8.93 to 1

  (16)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.08 to 1
  64	9.51 to 1
  70	8.99 to 1

  (16)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.1 to 1
  64	9.51 to 1
  70	9 to 1

  (8)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.15 to 1
  64	9.55 to 1
  70	9.03 to 1

  (8)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.22 to 1
  64	9.64 to 1
  70	9.11 to 1

  (8)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.35 to 1
  64	9.76 to 1
  70	9.23 to 1

  (16)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.49 to 1
  64	9.88 to 1
  70	9.34 to 1

  (16)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.52 to 1
  64	9.92 to 1
  70	9.38 to 1

  (16)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	10.61 to 1
  64	9.99 to 1
  70	9.46 to 1

  (16)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.86 to 1
  64	9.28 to 1
  70	8.78 to 1

  (16)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.98 to 1
  64	9.39 to 1
  70	8.88 to 1

  (8)

• -21cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.98 to 1
  64	9.4 to 1
  70	8.9 to 1

  (16)

• -28cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.2 to 1
  64	8.7 to 1
  70	8.27 to 1

  (16)

• -28cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.31 to 1
  64	8.82 to 1
  70	8.38 to 1

  (16)

• -28cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.36 to 1
  64	8.85 to 1
  70	8.42 to 1

  (16)

• -28cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.41 to 1
  64	8.91 to 1
  70	8.46 to 1

  (16)

• -28cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.67 to 1
  64	9.15 to 1
  70	8.7 to 1

  (16)

• -28cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.79 to 1
  64	9.26 to 1
  70	8.8 to 1

  (16)

• -28cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.83 to 1
  64	9.3 to 1
  70	8.84 to 1

  (16)

• -28cc Dish Top SBC 23 Degree

  Chamber	Comp Ratio
  58	9.9 to 1
  64	9.38 to 1
  70	8.91 to 1

  (16)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	13.4 to 1
  64	12.33 to 1
  70	11.4 to 1

  (16)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	13.57 to 1
  64	12.48 to 1
  70	11.55 to 1

  (16)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	13.63 to 1
  64	12.54 to 1
  70	11.6 to 1

  (16)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	13.73 to 1
  64	12.6 to 1
  70	11.66 to 1

  (16)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	14.09 to 1
  64	12.93 to 1
  70	11.99 to 1

  (16)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	14.25 to 1
  64	13.11 to 1
  70	12.13 to 1

  (16)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	14.31 to 1
  64	13.14 to 1
  70	12.19 to 1

  (16)

• +4cc Dome Top SBC 23 Degree

  Chamber	Comp Ratio
  58	14.41 to 1
  64	13.26 to 1
  70	12.27 to 1

  (16)

Show all Piston Top Aprox. Comp. Ratio