KB Pistons High Performance Keith Black Hypereutectic Pistons

United Engine & Machine Company's line of KB Performance Pistons are hypereutectic type pistons which are an ideal choice of piston for many engine rebuilt project. KB Pistons offer an extensive list of part numbers for many different engine combinations, including popular stroker engine packages. These include many of the older muscle car engines, as well as current models. The KB hypereutectic pistons offer a great compromise of high performance with reasonable prices. In addition to KB Hypereutectic pistons, UEM now offers a line of forged pistons also which are marketed under the brand name of Icon. Originally, there were some forged piston part numbers in the KB line, but all forged pistons have been moved to the new Icon line up. We are an authorized dealer for the entire UEM product line which includes KB Pistons, Icon Pistons, and Silvolite pistons.

These piston sets are excellent choices  for upgrading your stock engine, building a high performance engine, or for most any application where you want install a better than stock piston, without the higher cost of forged models. These parts are available as sets with,or without piston rings and all include wrist pins, pin fitting, locks and installation instructions.

Click on the links below to go directly to the section of the KB listing that you are interested in. We are constantly adding additional information to our site. If you do not see the part you want listed, please e-mail us using the link in the top right border of this page, and we will be happy to provide info and pricing on any KB piston set you are interested in.

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 Ration Calculator or visit our Race Math Page.

KB Claimer Pistons Catalog Index

Chevrolet

• 350
• 377
• 383
• 400

KB Pistons Catalog Index

AMC AMERICAN MOTORS CORPORATION

• 390
• 401

BUICK

455

CADILLAC

• 472
• 500

CHEVROLET

Chevy Small Block

• 283
• 305
• 327
• 334
• 350
• 377
• 383
• 400

Chevy Big Block

• 396 and 402
• 427
• 434
• 454
• 489
• 502
• 540

This link is to an older Mopar spec page on our site that we are replacing with new pages as time allows. If you do not find a link to the Mopar pistons you need in the main catalog index below, please check this link. MOPAR, DODGE, PLYMOUTH, CHRYSLER

CHRYSLER DODGE MOPAR PLYMOUTH

4 Cylinder Mopar

• 2.0
• 2.2

Small Block Mopar

• 318
• 340
• 360
• 408

Big Block Mopar

• 383
• 400
• 400 stroker using 440 crank
• 440

Chrysler Hemi Engines

• Chrysler 392 Hemi Pistons Gen1
• Chrysler 426 Hemi Pistons Gen 2

FORD MERCURY

4 Cylinder Ford

• 2.3

Small Block Ford

• 289
• 302
• 331
• 347
• 351 Cleveland
• 351 Windsor
• 351 Clevor ( 351 WC built using Windsor block and Cleveland heads)
• 372 W
• 393 W
• 408 W
• 416 W

Big Block Ford FE

• 390
• 427
• 428

Big Block Ford 385 Series

• 429
• 460
• 501
• 521
• 545

OLDSMOBILE

• 403
• 455

PONTIAC

4 Cylinder Pontiac

• 151

V8 Pontiac

• 389
• 400
• 428
• 455

SUZUKI

• 1.6L 2 Valve

TOYOTA

• 22R