Urgent, need stock replacement 400 cubic inch piston, four valve reliefs. Bore 4.120 size or 8 if you have them, Thanks, Bruce. Living in Canada.
Sealed Power 411NP - Sealed Power Cast PistonsClick here for more information about Sealed Power 411NP - Sealed Power Cast Pistons, Cast, Flat, 4.120 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, Set of 8Part Number: SLP-411NP $146.99http://www.summitracing.com/int/parts/slp-411np/applications/Speed Pro L2262F - Speed-Pro Forged PistonsClick here for more information about Speed Pro L2262F - Speed-Pro Forged PistonsPistons, Forged, Flat, 4.120 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, Set of 8Part Number: SLP-L2262F $398.99http://www.summitracing.com/int/parts/trw-l2262f/overview/
There you go Bruce, I added quick links to Wayne's post.,. just click on link.Hard to beat the price on cast pistons for street applications.,. cast pistons will withstand occasional 6000 RPM's,,,,,, max.Beyond that, forged pistons and a reworked bottom end is recommended.
When The Flag Drops.,. The Bull ***t Stops.,. P. Engineer, Engine Builder