• No (16)
• Yes (2)

• 4.030 in. (5)
• 4.040 in. (3)
• 4.125 in. (3)
• 4.155 in. (2)
• 3.209 in. (1)
• 3.346 in. (1)
• 4.145 in. (1)
• 4.165 in. (1)
• 4.310 in. (1)

• 102.362mm (5)
• 102.616mm (3)
• 104.775mm (3)
• 105.537mm (2)
• 105.283mm (1)
• 105.791mm (1)
• 109.474mm (1)
• 81.500mm (1)
• 85.000mm (1)

• 3.047 in. (1)
• 3.250 in. (2)
• 3.465 in. (1)
• 3.480 in. (2)
• 3.500 in. (2)
• 3.625 in. (1)
• 3.750 in. (5)
• 3.875 in. (1)
• 4.000 in. (3)

• 6.000 in. (8)
• 5.700 in. (4)
• 5.290 in. (1)
• 5.400 in. (1)
• 5.480 in. (1)
• 5.778 in. (1)
• 6.200 in. (1)
• 6.768 in. (1)

• Dome, with two valve reliefs (11)
• Dish, with two valve reliefs (2)
• Dish, with four valve reliefs (1)
• Dome, with four valve reliefs (1)
• Dome, with no valve reliefs (1)
• Flat top, with single valve relief (1)
• Flat top, with two valve reliefs (1)

• Forged aluminum (18)

• 1.000 in. (1)
• 1.008 in. (1)
• 1.063 in. (1)
• 1.120 in. (1)
• 1.133 in. (1)
• 1.165 in. (1)
• 1.171 in. (1)
• 1.181 in. (1)
• 1.196 in. (1)
• 1.268 in. (1)
• 1.290 in. (1)
• 1.307 in. (1)

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• -15.20cc (3)
• -11.00cc (2)
• +24.80cc (1)
• +34.60cc (1)
• +4.30cc (1)
• +6.00cc (1)
• -0.60cc (1)
• -11.30cc (1)
• -12.00cc (1)
• -3.00cc (1)
• -3.50cc (1)
• -5.00cc (1)

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• Press-fit or floating (18)

• $50-$100 (8)
• $100-$250 (1)
• $250-$500 (2)
• $500-$750 (11)
• $750-$1000 (2)

• Circle Track (7)

• Clearance (20)