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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.063 C/H – 4.155 Bore – 3.875 Stroke – -4.00CC – #99473

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.120 C/H – 4.155 Bore – 3.750 Stroke – -4.00CC – #90007

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.120 C/H – 4.155 Bore – 3.750 Stroke – -4.00CC – #99472

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.133 C/H – 4.125 Bore – 3.750 Stroke – -4.00CC – #80004

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.133 C/H – 4.155 Bore – 3.750 Stroke – -4.00CC – #95765

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.133 C/H – 4.165 Bore – 3.750 Stroke – -4.00CC – #96765

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.268 C/H – 4.155 Bore – 3.480 Stroke – -4.00CC – #95465

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.420 C/H – 4.155 Bore – 3.750 Stroke – -4.00CC – #90008

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.433 C/H – 4.125 Bore – 3.750 Stroke – -4.00CC – #97755

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.433 C/H – 4.155 Bore – 3.750 Stroke – -4.00CC – #95755

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.433 C/H – 4.165 Bore – 3.750 Stroke – -4.00CC – #96755

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.568 C/H – 4.155 Bore – 3.480 Stroke – -4.00CC – #95455

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  Chevrolet: 400 Small Block 23 Degree (Heavy Duty) – Flat Top: 1.568 C/H – 4.155 Bore – 3.750 Stroke – -4.00CC – #95455

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