Best piston for street/strip 340?
Keith Black Hypereutectic
'KB-243'
Proven durability, and a good performer for the Street/Strip application.
The Best 'Bang-for-the-Buck'.
Flat Tops ................. 2 Valve Reliefs {-6.0 CC volume}
Ring Lands .............. 5/64" ~ 5/64" ~ 3/16"
Compression Ratio .... 10.2-1 {w/ 68.0 CC ~ Combustion Chamber}
Piston Weight ........... 585 Grams
Pin Weight ............... 132 Grams
Price Cost ................ $295
In our Machine Shop we've built many 340's with this Piston application, and have never had a problem.
And we've done many 're-freshen jobs', and we've never seen a bad slug during a tear down.