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Ross Racing Pistons Forged Flat Top Pistons for Small Block Chevy 17 18 22 23 Degree Heads

 

ROSS includes forced pin oilers and double spirolox on all of our 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. Our valve pockets are designed to handle most camshaft applications. Our 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.

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 contact us and we will be happy to assist you with a custom piston order. We offer discounted pricing, even on custom pistons so please contact us for assistance with your custom piston needs and we will be happy to help you and give you a great price quote.

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.

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!

Ross SBC Flat top Pistons for 17 or 18 degree heads, will also work with 22 and 23 degree heads

sbc17ft.jpg (14059 bytes)

ROSS flat top pistons manufactured on our XL forgings feature design with light weight and can be used with nitrous systems up to 250 horsepower.

Designed for Dart, Brodix, or Chevrolet Bow-Tie 17 or 18 degree heads. Will work with 22 or 23 degree heads, however valve pockets will be extra deep which will work with very high lift cams at a slight sacrifice in compression. Pins included are .927 diameter, 2.950 length, .150 wall, 142 gram weight. Ring grooves are 1/16, 1/16, 3/16.

NOT RECOMMENDED FOR USE WITH FORCED INDUCTION SYSTEMS.

* Price includes oiil ring support rails

17 and 18 degree flat top Piston Listing (will work with 22 & 23 deg. also)

Part #

Notes

Bore

Stroke

Rod Length

Dome CC

Grams

C.H.

99525

4.040

3.750

5.700

FT

479

1.420

99464

*

4.125

3.750

6.000

FT

439

1.125

99465

*

4.125

3.875

6.000

FT

422

1.062

99466

*

4.125

4.000

6.000

FT

412

1.000

99467

*

4.130

3.750

6.000

FT

441

1.125

99508

*

4.130

3.875

6.000

FT

458

1.062

99468

*

4.130

4.000

6.000

FT

415

1.000

99469

*

4.145

3.750

6.000

FT

448

1.125

99470

*

4.145

3.875

6.000

FT

432

1.062

99471

*

4.145

4.000

6.000

FT

420

1.000

99472

*

4.155

3.750

6.000

FT

454

1.125

99473

*

4.155

3.875

6.000

FT

436

1.062

99474

*

4.155

4.000

6.000

FT

460

1.000

99475

*

4.165

3.750

6.000

FT

422

1.125

99476

*

4.165

3.875

6.000

FT

414

1.062

99477

*

4.165

4.000

6.000

FT

428

1.000

Dome Top 17 or 18 Degree Heads

ROSS dome top pistons are machined on our new XL series forgings for minimum weight and maximum strength. Domes feature net effective dome cc as listed in DOME CC column. Pistons can be machined to lower dome or convert to a flat top by customer if desired. Pins are .927 diameter, 2.950 length, .150 wall, 141 gram weight, aircraft quality, and are retained by double spirolox or can be press fitted into rods. Suitable for nitrous systems of 250 horsepower or less. Ring grooves are 1/16, 1/16, 3/16.

NOT RECOMMEND FOR FORCED INDUCTION SYSTEMS.

* indicates oil support rails are included.

Dome Top 17 or 18 degree SBC Piston Listing

Part #

Notes

Bore

Stroke

Rod Length

Dome CC

Grams

C.H.

99478

4.003

3.480

6.000

-1

439

1.255

99479

4.020

3.480

6.000

-1

444

1.255

99480

4.030

3.480

6.000

-1

451

1.255

99481

4.035

3.480

6.000

-1

454

1.255

99482

4.040

3.480

6.000

-1

457

1.255

99483

*

4.125

3.750

6.000

5

468

1.125

99484

4.125

3.800

6.000

5

462

1.100

99485

*

4.130

3.750

6.000

5

469

1.125

99486

*

4.130

3.800

6.000

5

462

1.100

99487

*

4.145

3.750

6.000

5

476

1.125

99488

*

4.145

3.800

6.000

5

471

1.100

99489

*

4.155

3.300

6.000

5

526

1.345

99490

*

4.155

3.750

6.000

5

481

1.125

99491

*

4.155

3.800

6.000

5

473

1.100

99492

*

4.165

3.750

6.000

5

485

1.125

99493

*

4.165

3.800

6.000

5

478

1.100

Late Model Stock Car Class Ultra Light Weight for 2 barrel applications

ROSS Late Model Stocker pistons are the lightest and strongest piston available. All pistons in this product line have .175 deep intake valve pockets and .125 deep exhaust pockets for maximum compression, except part # 99534 which has no valve pockets at all. Valve pockets can be re-cut to .280 intake depth and .250 exhaust by engine builder if necessary. Designed for 400 horsepower or less. Ring grooves are 1/16, 1/16, 3 mm. Other features include .927 x 2.500 bearing material pins which weigh only 99 grams (Ross part # 927-06-25), pinfit, double spirolox, split radius oil holes, double pin oilers, lock removal indents and double traced side reliefs for minimum weight.

NOT RECOMMENDED FOR USE WITH NITROUS OR FORCED INDUCTION SYSTEMS.

* indicates price includes oil support rails

LMSC Ultra Light Weight 2 bbl Pistons Listing

Part #

Notes

Bore

Stroke

Rod Length

Dome CC

Grams

C.H.

99518

4.030

3.480

5.700

FT

412

1.550

99523

4.030

3.480

6.000

FT

371

1.250

99534

4.030

3.480

6.000

FT

373

1.250

99520

*

4.030

3.480

6.250

FT

335

1.015

99519

4.035

3.480

5.700

FT

410

1.550

99516

4.035

3.480

6.000

FT

373

1.250

99521

*

4.035

3.480

6.250

FT

335

1.015

99515

4.040

3.480

5.700

FT

415

1.550

99517

4.040

3.480

6.000

FT

371

1.250

99522

*

4.040

3.480

6.250

FT

338

1.015

 

 

 

 

 

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