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Chevy Bore and Stroke Data - Big Block Bore and Stroke

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Big Block Bore and Stroke
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Chevy Big Block Bore and Stroke

T=Tall Deck, Production Big Blocks use a 6.135 Rod.

C.I.D. Bore Stroke Description
366T 3.935 3.76
396 4.096 3.76
402 4.125 3.76
427 4.250 3.76
427T 4.250 3.76
454 4.25 4.00
496 4.250 4.37 2001,8.1L Vortec 8100
502 4.466 4.00
572T 4.560 4.375 2003,ZZ572 Crate

Chevy 348-409 Bore and Stroke

C.I.D. Bore Stroke Rod Description
348 4.125 3.25 6.125
409 4.312 3.50 6.010
427 4.312 3.65 6.135 1963 Z11 SHP Drag Race


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