Ross Racing Pistons Ford Engine Pistons

Ross Racing Pistons offers a large selection of pistons for Ford and Mercury engines. We have Ross Ford pistons and Ross Mercury Pistons available for the Windsor, Cleveland, 4.6 Modular, FE Big Blocks, Flatheads and the 2000 and 2300 engines. These pistons are great for use in drag race and oval track cars, as well as high performance street and muscle cars.

ROSS Racing Pistons are used in Ford and Mercury high performance and racing engines by knowledgeable engine builders the world over. 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. We offer these superb pistons at very affordable prices.

Ross Racing Pistons offers pistons in both stocking and custom sets. In most cases you can find a stocking set to fit your needs. 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 design. Custom pistons can be made for just about any type of engine. Please visit our custom piston page for more info or you may e-mail us and we will be happy to assist you with a custom piston order. We offer discounted pricing, even on custom pistons.

Ross Ford pistons and Ross Mercury Pistons include forced pin oilers and double spirolox on all of their stocking pistons. Pistons are balanced to plus or minus 2.5 grams throughout the set. You can buy replacement pistons one at a time as needed. The valve pockets are designed to handle most camshaft applications. The skirt design allows the pistons to work properly under intense heat and tremendous side loads without scuffing or splitting cylinder walls. Most normally aspirated pistons are designed to operate at .004 piston skirt to cylinder wall clearance. All ROSS stocking pistons include aircraft quality pins that are heat treated and end ground to work in full floated or press fit applications.

Click on the part number in the list below for the item you are interested in for more information, pricing, or to order. You may also click the home button in the top right border to go to our home page. From there you can access our entire website. Search by part description or part number, browse through parts for your specific vehicle make, see news and special sale info and much more!

Use these links to go directly to the Ford engine forged Ross piston listing you are interested in.

302 351 Windsor
351 Cleveland
390 406 410 427 428 FE Big Block
4.6L 5.4L Modular
Ford 2000 and 2300 4 cyl
Ford flathead Mercury Flat head

Please feel free to use our compression ratio calculator to help you decide on the piston specifications you want. Click here to go direct to our Compression Ratio Calculator or visit our Race Math Page.

Ford Windsor 302 351 Pistons

Flat top Pistons

ROSS Ford Windsor Flat Top Pistons in this section are machined on Ross's new XL400 forging for maximum strength and minimum weight. All pistons with "S" valve pocket location will work with Dart, Edelbrock, Alan Root, SVO J302, R351, N351 and 289 stock heads. All pistons marked with "T" valve pocket location will work with TFS "Twisted Wedge" heads. All pistons in this section include aircraft quality pins that are retained with double spirolox or can be press fitted into rods. Ring Grooves are 1/16, 1/16, 3/16. Valve pockets displace 3cc. 302 Block Height = 8.200" 351 Block Height = 9.480".

*include oil support rails

NOT RECOMMENDED FOR USE WITH FORCED INDUCTION SYSTEMS.

302 351 Windsor 9.5 to 1 pistons

ROSS 302 Ford Windsor pistons in this section are suitable for nitrous systems below 250 horsepower. Ring sizes are 1/16, 1/16, 3/16. Will work with TFS High Port "Street Heat" heads, TFS "Twisted Wedge" heads, and Canfield Avenger heads due to three valve pocket design. Pins included are .927 diameter, 2.950 length, .150 wall aircraft quality.

Compression ratio based on 64cc cylinder head chamber volume.

Windsor 12.5 to 1 Pistons

ROSS Ford Windsor Pistons in this section are suitable for nitrous systems below 250 horsepower. Part # 80561 and 99607 come with .927 diameter aircraft quality pins, while Part # 80551 features .912 (stock Ford) aircraft quality pins. Compression ratio is based on 64 cc head with .050 total piston to head clearance (deck and gasket). Dome style "F" fits stock Windsor and Motorsports J-302 (AR) style heads. Dome style "A" fits TFS High Port "Street Heat" heads. Pins retained by double spirolox or can be press fitted into rods. Ring sizes are 1/16, 1/16, 3/16.

NOT RECOMMENDED FOR USE WITH FORCED INDUCTION SYSTEMS.

*includes oil support rails

Ford 4.6L Modular

The pistons listed in this section for the Ford 4.6 Modular engine are available in both a flat top and dished configuration. In addition to the pistons, these kits include the pins, locks and even a complete set of Ross Racing Rings! These piston kits are an excellent value.

These new Ross flat top pistons are ideal for street/strip normally aspirated applications and can be used with small nitrous systems. The included piston pins are stock .866" dia and are 2.500" long.

The dish top pistons listed below are machined on the all new for 2002 Ross forgings. These new design forgings provide heavy duty strength with moderate weight, and are designed to stand up to the rigors of turbocharged and blown applications. Pins included with the dished pistons are stock .866" dia. and are 2.720" long for more pin bearing area and extra strength.

Compression ration based on 55 cc cylinder head chamber volume.

Ford 2000 and 2300 Flat Top Pistons

ROSS 2000 and 2300 pistons listed in this section are machined on our HS362 forging for maximum strength and minimum weight. Appropriate size aircraft quality pins and fitting included. Deck clearance approximately .017 with uncut block.

*include oil support rails