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Predator 420cc

When it comes to upgrading your Predator 420 engine for racing performance, ARC Racing offers top-tier components engineered for speed, durability, and reliability. Whether you're looking to enhance power output, increase RPM limits, or ensure the longevity of your engine under high-performance conditions, ARC Racing has the parts you need.

Why Choose ARC Racing for Predator Parts?

ARC Racing is a trusted name in the high-performance racing industry, known for precision-engineered components that deliver outstanding results. Here’s why racers choose ARC Racing for their Predator upgrades:

  • Premium-Quality Materials – All parts are designed with high-grade aluminum and steel for maximum durability.
  • Proven Performance – Tested and used by top racers in the industry.
  • Expert Engineering – Designed to withstand the extreme demands of competitive racing.
  • Wide Selection – From billet rods to high-performance carburetors, ARC Racing provides everything needed for a complete engine overhaul.

Frequently Asked Questions

What’s the best upgrade for a Predator racing engine?

The best upgrade depends on your performance goals, but a billet connecting rod, high-performance camshaft, and racing carburetor are among the top choices for serious racers.

Do ARC Racing parts fit stock Predator engines?

Yes, many ARC Racing parts are designed as direct replacements for stock components, though some upgrades may require additional modifications.

Are modifications legal for all racing classes?

Racing regulations vary by class and organization. Always check with your racing association to ensure compliance with modification rules.

How do I increase the RPM limit safely?

Upgrading to a billet flywheel, stronger valve springs, and a high-performance camshaft can help safely increase RPM limits while ensuring engine reliability.

Shop Performance Parts at ARC Racing

Get the best Predator racing parts from ARC Racing today. Browse our selection of high-performance components and take your engine to the next level!

  • 2100A 8ft Throttle Cable

    2100A 8ft Throttle Cable

    (1)

    Aircraft Grade control cable 1/16" X 8' long with 3/16" swage ball on one end blank on the other
    Дин369,03
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  • 2100D Throttle Cable Clevis

    2100D Throttle Cable Clevis

    (2)

    Used on all of our Top Plate Throttle kits and is useful for almost all applications when using standard throttle cabling.
    Дин283,87
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  • 27-3543 420CC STD 90MM Piston Kit W/O Rings

    27-3543 420CC STD 90MM Piston Kit W/O Rings

    Forged 420cc Diamond Piston 90mm (3.543) with valve reliefs. Clearance .0025 @ .850 down from oil land. Wrist pin 0.787" x 2.0" Contents: Piston, Wrist pin and 2 Clips. Rings part number DJ-4290(see related items) sold separately. Piston may require...
    Дин27.251,45
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  • 555074 Rubber Breather Grommet 555074 Rubber Breather Grommet

    555074 Rubber Breather Grommet

    (4)

    Fits Clone or B&S 5hp engines.   Inserts into the valve cover. This is an easy, handy way to hook up a catch can to catch any oily spray.  Use a section of fuel line, a plastic bottle, a few zip ties, and you are in business...
    Дин414,45
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  • 5886 GX340/GX390 Starter Cover

    5886 GX340/GX390 Starter Cover

    Cover for starter hole on Honda GX340/GX390 blocks for those not using an on-board starter.  Will work on Predator 420 and Vegas 460cc blocks
    Дин908,38
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  • 6055 ARC Billet Oil Cap

    6055 ARC Billet Oil Cap

    (4)

    Billet Oil Fill Cap w/ O-Ring  Fits ALL ARC Billet sidecovers.  Threaded 3/4"X 10. ***WILL NOT FIT HONDA/CLONE OR PREDATOR SIDECOVERS***
    Дин924,28
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  • 6059 Honda GX390/420 Billet Sidecover 6059 Honda GX390/420 Billet Sidecover

    6059 Honda GX390/420 Billet Sidecover

    (1)

    Honda GX390/420 billet sidecover. Machined from 6061-T6 aircraft grade aluminum features dual crank bearings and cam bearing for extra support. Uses all 4 dowel pens in the block for extra block support. A must for all modified and stroker applications...
    Дин24.974,82
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