Ross flat top pistons for use in small block Chevrolet engines equipped with 17 or 18 degree cylinder heads are the choice of many serious performance engine builders. Ross forged piston sets incorporate unique design features to provide high strength and take advantage of precision machining and premium materials to build a high performance part you can depend on. Ross Racing products improve torque, horsepower, efficiency and reliability in high performance and racing engines.
We offer discount pricing, personalized customer service, technical help if you need any assistance and quick shipping on the entire Ross Racing Pistons product line. Order today to start enjoying all the performance benefits premium performance parts provide.
Ross Small Block Chevy Flat Top Pistons for 17 and 18 Degree HeadsNOTE: These pistons will also work with 22 and 23 degree valve angle heads but are designed specifically to get the most possible compression with a flat top when used with 17 and 18 degree heads.
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Bore | Stroke | Rod Length |
C.H. | Compression Ratio with Head cc of: |
Weight | Piston Set Part Number | Piston Ring Set | ||||
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52 | 58 | 64 | |||||||||
4.04 | 3.75 | 5.7 | 1.42 | 12.9 | 12.2 | 10.1 | 471 | 99525
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RS-9771-45
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4.125 | 3.75 | 6 | 1.12 | 13.3 | 12.6 | 10.9 | 439 | 99464
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RS-10248-05
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4.125 | 3.875 | 6 | 1.063 | 13.7 | 13 | 11.3 | 422 | 99465
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4.125 | 4 | 6 | 1.00 | 14.1 | 13.4 | 11.6 | 412 | 99466
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4.13 | 3.75 | 6 | 1.12 | 13.3 | 12.6 | 10.9 | 441 | 99467
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RS-10248-05 (std fit)
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4.13 | 3.875 | 6 | 1.063 | 13.7 | 13 | 11.3 | 420 | 99508
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4.13 | 4 | 6 | 1.00 | 14.1 | 13.4 | 11.6 | 406 | 99468
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4.145 | 3.75 | 6 | 1.12 | 13.4 | 12.7 | 11 | 448 | 99469
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RS-10248-25
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4.145 | 3.875 | 6 | 1.063 | 13.8 | 13.1 | 11.3 | 432 | 99470
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4.145 | 4 | 6 | 1.00 | 14.2 | 13.5 | 11.7 | 420 | 99471
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4.155 | 3.75 | 6 | 1.12 | 13.4 | 12.7 | 11 | 444 | 99472
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RS-10248-35
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4.155 | 3.875 | 6 | 1.063 | 13.8 | 13 | 11.4 | 436 | 99473
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4.155 | 4 | 6 | 1.00 | 14.3 | 13.5 | 11.7 | 419 | 99474
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4.165 | 3.75 | 6 | 1.12 | 13.5 | 12.8 | 11 | 450 | 99475
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RS-10248-45
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4.165 | 3.875 | 6 | 1.063 | 13.9 | 13.1 | 11.4 | 434 | 99476
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4.165 | 4 | 6 | 1.00 | 14.3 | 13.6 | 11.8 | 428 | 99477
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Our complete listing of all available Ross Pistons products is here > Ross Forged Racing Pistons Catalog |
ROSS pistons feature forced pin oilers when applicable, anti detonation grooves, lock removal grooves and come complete with wrist pin retention lock rings. The pistons are pin fit and balanced to plus or minus 2.5 grams throughout the set. Intake and, or exhaust valve pockets are radius machined and designed to handle most common performance camshaft applications. The precision skirt design allows the pistons to work properly under intense combustion heat and tremendous side loads without scuffing or splitting cylinder walls.
If you do not see a set here with the specifications that you need we also offer pistons from many other manufacturers as well as custom forged pistons for most any engine project. Please contact us if you need help locating the pistons you need, or if you would like to discuss a set of custom forged pistons and we will be happy to work with you to make sure you get exactly the parts you need.