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CUSTOM PISTONS

Order line: 805-552-0808
Tech Info: 805-552-0808

  Download Print-friendly Custom Pistons Order Form(PDF)
 
 
 


ATOMIC CUSTOM PISTONS brings you over twenty-five years of practical piston knowledge. ATOMIC’s Nick Arias 3rd has forged a name as one of today’s most innovative piston designers, and that experience is passed on through every ATOMIC piston.

Custom pistons offer the ultimate in flexibility, allowing the engine builder to design a reciprocating assembly that is not bound by off-the-shelf** piston kits. In collaboration with ATOMIC, your crucial data is extracted and transferred to a blueprint. This “jobcard” is then forwarded to a premier piston machine shop for precision manufacture. Normal process time is four weeks (20 working days). Expedited turnaround is available.

Once in ATOMIC’s hands, the pistons are inspected against the jobcard and Arias 3’s intended concept, then shipped to you. All jobcards are kept on file as PROPRIETARY customer information. If you have a top-secret design, and want it to stay that way, you can put your trust in ATOMIC.

ATOMIC CUSTOM PISTONS advantages:

Forgings: ATOMIC works with premier piston firms; producing the most technologically advanced, application specific forgings available. Configurations include hollow dome, inverted dome, pentroof and right/left dome designs. Custom pistons can be produced for any practical bore size between 2.125” (54mm) and 5.750” (146mm). Note: Piston bore size is usually determined by ring size availability.

Materials: ATOMIC utilizes extruded, not cast, billet bar-stock 2618 aluminum alloy because of it's strength, ductility, and high-temperature fatigue resistance. Forged pistons have thinner cross-sections than cast “Hypereutectic” or “Powerforged” pieces, resulting in lighter weight. If you’re running forced-induction and/or nitrous oxide then forged pistons are just about mandatory! Hi-Silicon 4032 alloy forgings are also available for certain applications.

Ring Grooves: Custom pistons can be ordered with just about any ring groove width from .8mm up to ¼”. Radial depths vary from ultra-narrow back-cuts to traditional SAE “D” and “K” walls. In addition, these grooves feature the flattest run out and smoothest finish in the industry.

Cylinder Wall Clearance: Our pistons feature CNC diamond-turned ellipsoidal skirt profiles. Pistons with multi-contoured skirt faces can be installed and run with super-tight piston-to-wall clearance - resulting in ring squareness to bore, proper heat transfer & quiet operation.

  
     

CP CUSTOM PISTONS can give you the edge on the competition. Features include superb ring seal, higher vacuum, lower blow-by, greater durability and increased HP & torque up through the higher RPM band. Better yet, peak horsepower is retained throughout the life of the piston rings. This is achieved by lightweight forgings and CP's exclusive machining techniques and processes.

CP CUSTOM PISTONS feature:

• Precision multi-step CNC machined ring groove process
• Pressure fed dual pin oilers
• Pin hole oil reservoirs
• Pick lock groove: easy lock removal
• CNC machined dome & dish shapes
• Precision machined side relief with controlled thickness
• Computer generated CNC machined skirt
• Accumulator groove on second ring land

CP kits include:

• Forged pistons.
• Wrist pins: high carbon, case-hardened.
• Locks: carbon steel wire or spiral.

High quality matching chrome / nitride steel or moly faced ductile iron ring sets are available separately. ATOMIC also carries Total Seal ring sets in Zero-Gap and standard gap designs.

       

 

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Custom Pistons, Cometic Gaskets, Scat Rods, Darton Sleeves , ARP Fasteners and technical  expertise direct from Nick Arias 3rd.