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Home > Short Blocks > Chervolet Small Block & Big Block Engine and Stroker Shortblocks - 350/383/400/434/454/496 > Chevrolet - 400 Small Block V8 > 421 cubic inches

Flat Top
Flat top pistons are very similar in nature to stock pistons, running at medium compression ratios. Consequently, they work great in many applications and performance levels. Valve reliefs are designed with appropriate clearance to fit most types of standard and aftermarket heads.
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