Small Block Chevy 400 - 23° Standard Flat Top Forged Piston J181940 Product:Small Block Chevy 407, 4.155", 6.000" rod length, -5.0cc dome volume Using a variety of fin

Using a variety of fin angles and stators

the percentage of fuel flow present

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Pro-Flo 1000 Series Triangular Reusable Air CleanerFor 4-barrel carbs with 5-1/8" air horn

Small Block Chevy 400 - 23° Standard Flat Top Forged Piston J181940 Product:Small Block Chevy 407, 4.155", 6.000" rod length, -5.0cc dome volume Using a variety of finSmall Block Chevy 400 23 Standard Flat Top Forged PistonSmall Block Chevy 407, 4. 155", 6. 000" rod length, 5. 0cc dome volume J181940 81940 These classic, race winning JE flat top pistons work with most aftermarket 23 heads. They have extra deep valve pockets and a low friction skirt design. These pistons are designed to use 1 16, 1 16, 3 16 rings or 1 16, 1 16, 3mm rings, see footnote J. Includes: 350 Series use Pin #927 2500 15 51S (118g) 400