Performance Parts and Racing Parts Campbell Enterprises

Ford 302 Pistons Ross Racing Pistons Ford 5.0 Pistons

Ross Ford Mercury 302 5.0 Piston Picture

 

Ross Racing Pistons offers a variety of Ford and Mercury 302 pistons and 5.0 pistons. The 302 engine has a long and storied history. Originally known as the 302 or 302 Windsor (to separate it from the Boss / Cleveland style 302). It later became better known as the 5.0 when it became popular to state engine sizes in liters instead of cubic inches. Regardless of what you call it, the 302 offers great performance, in a small, lightweight package. It can be built into a very high performance engine with the right combination of parts.

When building up a 5.0 one of the most important parts to select is a quality forged 302 piston set. The right piston will provide the proper compression to work with the fuel you will be using, as well as giving significant improvements in performance, efficiency and durability. The Ross 302 forged pistons available here are very popular for high performance street use, muscle cars, oval, drag and road race applications. We sell pistons for stock stroke and 302 stroker engines.

Ross Ford Windsor 5.0 / 302 Forged Pistons

Ross Ford 5.0 302 pistons include forced pin oilers and double spirolox 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 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.All ROSS stocking pistons include high quality pins that can be used in full floating or press fit rod applications.

 

ROSS Racing 302 piston sets 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. Buy the best Ross Racing Pistons Ford 302 pistons here. We offer great customer service, technical support, quick shipping and reasonable prices.

 

Ross Windsor Ford Flat Top 302 Pistons

ford_w_ft_piston.jpg (13281 bytes)

Ross Shelf Stocking Ford 5.0 302 Piston Set List and Specifications

  • Set includes 8 pistons, 8 straight wall 5115 series piston pins, and pin retention lock rings
  • * indicates set also includes oil ring support rails
  • For use in naturally aspirated applications
  • Flat top design with 2 valve reliefs
  • Can be used with nitrous systems up to 200hp ( more for pistons noted "3")
  • Ring grooves are 1/16, 1/16, 3/16
  • Valve pockets displace 3cc
  • CID= Final cubic inch displacement of engine based on bore and stroke
  • Wt-Weight of piston in grams
  • CH=Compression Height
  • Stock 5.0 302 cylinder bore size is 4.000 inches
  • Stock 302 5.0 stroke is 3.000 inches
  • Stock block deck height is 8.206 inches
  • NOT RECOMMENDED FOR USE WITH FORCED INDUCTION SYSTEMS
  • We recommend K1 Technologies forged steel 302 stroker cranks for use with these pistons and K1 5.400 Long Stroker Rods

 

Windsor 302 Flat Top Pistons and 302 Stroker Pistons List

CID Bore Stroke Rod Length Wt CH Pin Dia. Notes Part #
306 4.030 3.000 5.090 423 1.599 .912 1

ross 99792


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306 4.030 3.000 5.090 481 1.599 .912 4

ross 99502


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306 4.030

3.000

5.090

465

1.599

.912

1

ross 92006


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331 4.030 3.250 stroker 5.315 424 1.175 .927 1*

ross 99824


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347 4.030 3.400 stroker 5.315 432 1.175 .927 4*

ross 99825


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347 4.030 3.400 stroker 5.400 401 1.083 .927 1*

ross 99822


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347 4.030 3.400 stroker 5.400 402 1.085 .927 4*

ross 99505


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331 4.040 3.250 stroker 5.400   1.165 .927 1,3

ross 80541


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331 4.040 3.250 stroker 5.400   1.165 .927 2,3

ross 80542


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347 4.125 big bore race block 3.250 stroker 5.400   1.165 .927 1,3

ross 80543


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347 4.125 big bore race block 3.250 stroker 5.400   1.165 .927 2,3

ross 80544


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NOTES

  1. Will work with most common 20 degree heads including Dart, Edelbrock, Alan Root, SVO J302, R351, N351, 289 and 302 stock heads
  2. Work with Bennett high Ports, TFS High Port, Street Heat and TFS Standard Heads
  3. Heavy nitrous design
  4. Valve pocket location will work with TFS "Twisted Wedge" heads.

 

Ross 302 Windsor Dish top pistons

ford_302w_9.5.jpg (13596 bytes)

  • Set includes 8 pistons, 8 straight wall 5115 series piston pins, and pin retention lock rings
  • also includes oil ring support rails
  • Will work with TFS High Port "Street Heat" heads, TFS "Twisted Wedge" heads, and Canfield Avenger heads due to three valve pocket design.
  • For use in naturally aspirated applications
  • Dish top design with 3 valve reliefs to accommodate several cylinder head types
  • Can be used with nitrous systems up to 250hp
  • Ring grooves are 1/16, 1/16, 3/16
  • CID= Final cubic inch displacement of engine based on bore and stroke
  • Wt-Weight of piston in grams
  • CH=Compression Height
  • Stock 5.0 302 cylinder bore size is 4.000 inches
  • Stock 302 5.0 stroke is 3.000 inches
  • Stock block deck height is 8.206 inches
  • NOT RECOMMENDED FOR USE WITH FORCED INDUCTION SYSTEMS
  • We recommend K1 Technologies forged steel 302 stroker cranks for use with these pistons and K1 5.400 Long Stroker Rods

 

Windsor 302 Dish Top Pistons and 302 Stroker Dish Top Piston Sets List

CID

Bore

Stroke

Rod Length

Wt

CH

Pin dia

Dome CC

Comp. Ratio w/ 64cc chamber

Part #

327 4.001 3.250 5.400 439 1.160 .927 -6.1 9.3

ros99795


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327 4.001 3.250 5.400 425 1.160 .927 -20.0 8.1

ros99798


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342 4.001 3.400 5.400 420 1.085 .927 -6.1 9.7

ros99794


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342 4.001 3.400 5.400 411 1.085 .927 -12.0 9.1

ros99793


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331 4.030 3.250 5.400 450 1.160 .927 -6.1 9.4

ros99796


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331 4.030 3.250 5.400 437 1.160 .927 -20.0 8.2

ros99799


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347 4.030 3.400 5.400 428 1.085 .927 -12 9.2

ros99609


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5.0 302 Windsor based 347 Stroker Dome Top Pistons

ford_w_12.5_piston.jpg (16318 bytes)

ROSS Ford Windsor 302 347 stroker pistons features and specifications

  • For use in 347 stroker engine build up with 3.400 stroke crank and 5.400 length rods
  • For use with TFS High Port "Street Heat" heads
  • Set includes 8 pistons, pins, lock rings and oil ring support rails
  • Suitable for nitrous systems up to 250 horsepower.
  • 12.5-1 compression ratio based on 64 cc head with .050 total piston to head clearance (deck and gasket)
  • Ring sizes are 1/16, 1/16, 3/16.
  • 302 block height 8.206
  • We recommend K1 Technologies forged steel 302 stroker cranks for use with these pistons and K1 5.400 Long Stroker Rods

347 Stroker Dome Top Piston Specifications

Bore

Stroke

Rod Length

Wt

C.H.

Pin Dia.

Dome CC

Comp

Part #

4.030 3.400 5.400 447 1.085 0.927 11 12.5

ros99607


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Ford Engine Building and Performance Tuning Books

Ross Racing Pistons produces stocking and custom Ford 302 and Mercury 5.0 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. Ford 5.0 and 302 custom pistons can be made for just about any type of engine. Please visit our custom piston page for more info. We offer discounted pricing, even on custom pistons.

Please feel free to use our compression ratio calculator

We sell K1 Technologies, Manley and Eagle connecting rods for these engines. We also sell piston rings, bearings, valves and valvetrain parts, gaskets and more to fit the 2.0 and 2.3. We do not have them listed on our website yet though so please contact us for assistance with any of these items.

Catalog home page showing all Ross Pistons for Sale

 

 

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