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 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 |
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Ross Shelf Stocking Ford 5.0 302 Piston Set List and Specifications
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Windsor 302 Flat Top Pistons and 302 Stroker Pistons List |
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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
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Ross 302 Windsor Dish top pistons
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Windsor 302 Dish Top Pistons and 302 Stroker Dish Top Piston Sets List |
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CID | Bore |
Stroke |
Rod Length |
Wt | CH |
Pin dia |
Dome CC |
Comp. Ratio w/ 64cc chamber | Part # |
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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 PistonsROSS Ford Windsor 302 347 stroker pistons features and specifications
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347 Stroker Dome Top Piston Specifications |
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Bore |
Stroke |
Rod Length |
Wt |
C.H. |
Pin Dia. |
Dome CC |
Comp | Part # |
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4.030 | 3.400 | 5.400 | 447 | 1.085 | 0.927 | 11 | 12.5 | ros99607
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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