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4.6 Pistons Ross Racing Pistons Ford 4.6 L Modular Piston Sets

Ross Ford 4.6 MOD Piston Sets Logo

Ford 4.6 Mustang Pistons Modular Forged 4.6 Pistons


Ross Racing Pistons offers a variety of Modular Ford and Mercury 4.6 piston sets. ROSS Racing Pistons are used in Ford and Mercury high performance and racing engines around the world. These are very popular as performance replacement 4.6 Mustang pistons as well as many other applications. They combine light weight, high strength, precision machining and premium materials to build a piston you can depend on for high horsepower, torque and reliability. These forged 4.6 pistons are great for high performance street use, drag racing, oval track and road racing and just about anywhere you need a tough forged performance piston.

Ross Racing Pistons produces both stocking and custom Ford 4.6 piston sets. If you do not see the exact piston specs you want in a stocking piston, we will be happy to help you with a custom piston set. Custom Ford 4.6 pistons can be made for just about any type of application. Please visit our custom piston page for more info. We offer discounted pricing, even on custom pistons.

Ross Ford 4.6L 5.4L Piston Image

Ross Ford 4.6 L Forged Pistons and 4.6 Piston Sets

Ross Ford 4.6 pistons and 4.6 piston sets include forced pin oilers on all of their stocking pistons. Pistons are weight matched before packaging. You can buy stocking part number replacement pistons one at a time as needed. The skirt design allows the pistons to work properly under intense heat and tremendous side loads without scuffing or splitting cylinder walls. All ROSS stocking 4.6 pistons include high quality pins and can be used in full floating or press fit rod applications.

Buy the best Ross Racing Pistons flat top and dish top Ford 4.6 pistons here. We offer great customer service, technical support and reasonable prices. These piston kits are an excellent value whether you need 4.6 Mustang pistons or  a set for a different vehicle.

Ross Ford 4.6 L Modular Piston Listing

All Ross 4.6 Piston sets listed here include:

  • 8 4.6 forged pistons
  • 8 piston pins
  • Complete set of Ross Racing Rings
  • Lock rings for pin retention

4.6L Piston General Specifications and Information

  • Block height 8.931
  • Compression based on .050 piston to head clearance (deck and gasket) and a 55 cc chamber
  • Ring widths 1.5mm, 1.5mm, 3.0mm
  • The included piston pins are stock .866" dia and are 2.500" long with the flat top pistons and 2.720 long with the dish tops
  • 4.6 L flat top pistons are ideal for street / strip normally aspirated engines

Ford 4.6 Pistons Forged Flat Top Type

Bore Stroke Rod Length Dish CC C.R. Grams C.H. Part #
3.552 3.542 5.933 0 10.1 327 1.220

ross 99804

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3.572 3.542 5.933 0 10.2 332 1.220

ross 99803

Add To Cart

The dish top pistons listed below are machined on new design forgings that provide heavy duty strength with moderate weight, and are designed to stand up to the rigors of nitrous, turbocharged and blown applications. The pistons listed below can be used in mild nitrous, supercharged or turbo 4.6 engine applications.

Ross Ford 4.6 l Piston Sets Forged Dish Top Type

3.552 3.542 5.933 -16 8.9 346 1.220

ross 99805

Add To Cart

3.572 3.542 5.933 -16 9.1 354 1.220

ross 99806

Add To Cart

We sell Manley and Eagle connecting rods for these MOD engines. We also sell piston rings, bearings, valves and valvetrain parts, gaskets and more to fit the 4.6 and 5.4 Modular engine series. We do not have them all listed on our website yet though so please contact us for assistance with any of these items.


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