• No (34)

• 4.030 in. (12)
• 4.350 in. (9)
• 4.375 in. (7)
• 4.310 in. (5)
• 4.155 in. (4)
• 4.035 in. (3)
• 4.060 in. (3)
• 4.280 in. (3)
• 4.360 in. (3)
• 4.125 in. (2)
• 4.145 in. (1)

• 102.362mm (12)
• 110.490mm (9)
• 111.125mm (7)
• 109.474mm (5)
• 105.537mm (4)
• 102.489mm (3)
• 103.124mm (3)
• 105.283mm (3)
• 108.712mm (3)
• 110.744mm (3)

• 3.480 in. (8)
• 3.500 in. (2)
• 3.625 in. (1)
• 3.750 in. (9)
• 3.850 in. (1)
• 4.000 in. (9)
• 4.125 in. (1)
• 4.150 in. (3)

• 6.000 in. (8)
• 6.768 in. (8)
• 6.135 in. (6)
• 5.700 in. (5)
• 6.200 in. (2)
• 5.400 in. (1)
• 5.778 in. (1)
• 5.956 in. (1)
• 6.102 in. (1)
• 6.385 in. (1)

• Dome, with two valve reliefs (17)
• Flat top, with two valve reliefs (15)
• Dish, with three valve reliefs (1)

• Forged aluminum (34)

• 1.648 in. (6)
• 1.568 in. (5)
• 2.065 in. (5)
• 1.120 in. (4)
• 1.268 in. (3)
• 1.865 in. (2)
• 1.000 in. (1)
• 1.133 in. (1)
• 1.165 in. (1)
• 1.196 in. (1)
• 1.290 in. (1)
• 1.350 in. (1)

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• -51.00cc (5)
• -14.00cc (2)
• -15.20cc (2)
• -36.00cc (2)
• +14.20cc (1)
• +18.00cc (1)
• +3.00cc (1)
• +4.00cc (1)
• +6.00cc (1)
• -11.50cc (1)
• -12.00cc (1)
• -12.30cc (1)

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• Press-fit or floating (34)

• Circle Track (4)