recognise this piston ?

[turbomatt1]

bummer!

anybody got a set of 30 overs for a 2.5 FS?

[Turbodave]

Just to confirm the Hyperutectic thing,
From carparts.com...

Component: ENGINE, PISTON, CAST
Description glossary Manufacturer Part Number List Price Your Price Core Price Unit Qty Qty Add to Cart
Piston, Hypereutectic 87.5mm Bore; (2) 1.50mm/(1) 4.00mm Ring Grv; 1.337 in. CD; Recessed Hd; .300 in. Deep X 2.865 in. Dia; Std./.50/.75/1.00mm
• Usually ships in 7 - 10 business days. SEALED POWER H579P $39.00 $27.25 $0.00 Each

My 89 Shadow is running Sealed Power pistons, not sure if they are this part number or not. I've beat on it daily for three years without a problem, boost is set to 14psi usually.

[glhsken]

Matt, forged can be had for $320 or so WITH rings....

[turbomatt1]

thanks for all the input.
this is the next motor for my hotrod ramage. I am shooting for 11.anything, street legal.(DOT tires & all) boost goal is around 25psi. dont think I'm gonna try the hyperutes up there