PART REFERENCE SHEET
BIG-BLOCK CHEVY PARTS KITS
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Spring Dia.
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Int/Exh |
S=Single
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Part # |
Valves |
D=Double
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H=Hydraulic Roller
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28000011 |
2.250/1.880 | 1.550S |
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28000012 |
2.250/1.880 | 1.550D |
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28000012M |
2.250/1.880 | 1.550H (Marine-Inconel Exhaust Valves) |
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28000013 |
2.250/1.880 | 1.625D (titanium retainers) |
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28000022 |
2.250/1.900 | 1.550D |
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28000023 |
2.250/1.900 | 1.625D (titanium retainers) |
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28000032 |
2.300/1.880 | 1.550D |
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28000032M |
2.300/1.880 | 1.550H (Marine-Inconel Exhaust Valves) |
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28000033 |
2.300/1.880 | 1.625D (titanium retainers) |
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28000043 |
2.300/1.900 | 1.625D (titanium retainers) |
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28000073 |
Big "M" | 2.350/1.880 | 1.625D (titanium retainers) |
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