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Vehicle Info NeededSRPPART NUMBER: 867-271063
PRO SERIES 377/434 SBC Flat Top
$89299
Ships on 09/24/2026
Lowest Price GuaranteeSmall Block Chevy 400 23 Degree Flat Top
- PRO SERIES 377/434 SBC
- Flat Top
- Bore: 4.155"
- Stroke: 3.480" 377/4.000" 434
- Rod Length: 6.250" 377/6.000" 434
- Compression Distance: 1.000"
- Dome Volume: -5cc
- Gram Weight: 383
- Compression Ratio: 58cc 11.7 377/13.3 434, 64cc 10.8 377/12.3 434, 70cc 10.1 377/11.5 434Footnotes
- Fits 3.480" and 4.000" Stroke
- Oil Rail Support is Included
Part TypePiston
BrandSRP
Package Height6.3
Package Width11.9
Package Length11.9
Weight11.4 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number271063
Package Qty1
Package TypeEA
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