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  • 250 Ross Forged pistons 6" rod .040

250 Ross Forged pistons 6" rod .040

SKU: 250 6" rod pistons .040
$725.00
$725.00
Unavailable
per item

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 for your rodded 250. Top ring land is .300 thick to withstand the following.

Applications include:

-Naturally aspirated

-Turbocharged

-Nitrous

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 pins


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.

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  • Home
  • Store
    • Valve Covers
    • Side Covers
    • Performance Cylinder heads and Parts
    • Exhaust
    • Accessories
    • NOS GM Inline 6 and V8 Parts
    • Turbo Related
    • Bolt In Lump Kits
    • Breather Adaptors
    • Pistons
    • Rods
    • Intakes
    • Mounts
    • Timing Covers
    • Engines
    • Camshafts
    • Shortblocks
    • Engine Stands
    • Harmonic Balancers
    • Bearings-Gaskets-Oil Pump
    • Torque Plate
    • Distributor Blueprinting
    • Carburetors
    • Air Cleaners Used
    • Vehicles
    • 12 Bolts and Parts
  • Inline 6 Articles
    • Me and My Turbo
    • Sissell Literature circa 1988
    • Sunset Chevy
    • 2 HP Per Cubic Inch
    • Cotton Perry
    • Six Abuse
    • Six In a Row Makes it GO
    • Soup of the Day
    • Stovebolts Storm Again
    • Stovebolt Storm Part 2
    • Straight Six Shooter
    • The Buzzin Half Dozen
    • Turbo Tornado
  • Lump Head information
    • General Head Information
    • Inline cylinder head flow
    • Bolt in lump installation instructions
  • Services
  • Gearing Calculator
  • Photos
    • 12 Bolt Pics
    • Inline 6 Pics
    • 292 Turbo EFI
    • Shop Tour
  • Videos
    • 12 Bolt
    • Inline 6
    • Customer Cars
  • Links
  • Tech Tips
  • Wanted
  • About Us
  • Contact
  • Inline Engine Build Ideas
  • Jacob's Journey