250 Ross Forged Flat Top piston set 5.7 rod and Long Rod 292 2
Finally a premium forged flat top piston at a affordable price! Best piston/ ring combo you can buy for stock - performance rebuild. These pistons are custom made for 12Bolt to be used in your rodded 250.
Also used with the Billet Long Rod 292
1 set of Premium low friction rings Total Seal
Spirolocs if used on floating rods
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.
You will receive 6 new pistons, pins, spirolocs, and full ring set.
True Flat top design, same as ran in the DYNO 250
These pistons in a 250 will provide a 9.77 compression ratio with a 70CC chamber, most chambers will measure close to 74CC and give a 9.44CR
A 292 will see 11.4 CR with a 70CC head
Can also be used on pressed rods. Stock type.
250 5.7 rod
292 with billet long rod 7.130 long
These are marked as 23 LBs only to be able to ship as a insured package.