250 Ross Forged pistons 6" rod .040
Finally a premium forged flat top piston at a affordable price! These pistons are custom made for 12Bolt for your rodded 250. Top ring land is .300 thick to withstand the following.
The compression height of the piston is made so that only .015 is needed to be milled from the deck of engine to "Zero Deck" the engine. Stock pistons require .030-.035 to zero deck which also weakens the deck.
Only 1 overbore is offered at this time .040
You will recieve 6 new pistons, pins, spirolocs, and full ring set.
True Flat top design, same as ran in the DYNO 250
These pistons will provide a 9.87 compression ratio with a 70CC chamber, most chambers will measure close to 74CC and give a 9.44CR
Piston weight is only 443 grams
Includes spiroloc retainers
Inlcudes Total Seal Brand rings 1/16 top- 1/16 2nd- 3/16 oil control. 1 set of Premium low friction rings
These are marked as 23 LBs only to be able to ship as a insured package.