Chevy block (blocks) casting #509 400 small block Chevy Chevrolet - $400

Chevy block (blocks) casting #509 400 small block Chevy Chevrolet 1

condition: good

make / manufacturer: Chevrolet

model name / number: 400

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1 -1978 400 -2 bolt main, block casting #509 std bore. $400.00

1 - 1978 400 -2 bolt main block casting # 509 030 bore, low miles after last rebuild
$400.00

Approximately 15% of production blocks were casting #509

post id: 7948268803

posted: 2026-07-19 20:06

updated: 2026-07-22 10:35

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Chevy block (blocks) casting #509 400 small block Chevy Chevrolet -...

1 -1978 400 -2 bolt main, block casting #509 std bore. $400.00 1 - 1978 400 -2 bolt main block casting # 509 030 bore, low miles after last rebuild $400.00 Approximately 15% of production blocks...