Pro-Flo 1000 Series Triangular Reusable Air CleanerFor 4-barrel carbs with 5-1/8" air horn
Aeroflow's 500 series cutter fittings are a braised full flow fitting
the percentage of fuel flow present
Product Features CNC machined non-slip surface Stainless hardware included Dimensions 7"w x 2-11/16" h
12-Point Nutfits SB Chev With 23° Heads (Under Cut)
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 Pro-Flo 1000 Series Triangular ReusableSmall 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