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SMALL BLOCK CHEVY
BIG BLOCK CHEVY
FORD
MOPAR
BUICK
NHRA
CHOOSE YOUR CYLINDER HEAD TYPE:
400 / 440 BIG BLOCK
440 Inverted Dome
400 / 440 Wedge Flat Top
400 / 440 Wedge Dome
340 / 360 SMALL BLOCK
S/B Chrysler Flat Top
S/B Chrysler Inverted Dome
TOP FUEL
Top Fuel
Blown Alcohol
426 HEMI
426 Hemi
Big Block Chrysler cylinder heads come in two basic configurations, closed chamber and open chamber. Closed chamber heads were used in all engines dated 1967 and earlier and possess a 78.5cc combustion chamber. Open chamber heads were used from 1968 onwards and have 88cc combustion chambers. All JE 400/440 Wedge pistons, both domed and flat tops, are designed to accommodate either cylinder head type.

REMEMBER; check all clearances during assembly as shown in the diagrams and notes below. If you have questions regarding the head chamber details on your particular cylinder head JE suggests that you contact the cylinder head manufacturer directly.

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