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UEM Performance Pistons
UEM Pistons is all of the great piston lines of KB, ICON, and Silv-O-Lite offered from United Engine & Machine. No matter what your budget is they have a set for your engine. UEM Pistons are available for many popular Ford, Chevy and Mopar based engines in several different compression ratios to suit your needs. JEGS is proud to carry UEM Pistons at everyday low prices, ready to ship to your door!
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UNITED ENGINE MACHINE
Ring Set 4.120 bore STD oversize 2-5/64 1-3/16 moly ring set qty 8 cyl set
Part Number: 648-4120AM8.STD
Ships on Sep 04, 2026
Lowest price guarantee
UNITED ENGINE MACHINE
Ring Set 4.120 bore STD oversize 2-5/64 1-3/16 moly ring set qty 8 cyl set
Part Number: 648-4120AM8.STD
Ships on Sep 04, 2026Lowest Price Guarantee
![3494HC.030-1 Single Silvolite Hypereutectic Piston for 2001-2004 GM 8.1L V8 Truck Engine [+ .030]](https://www.jegs.com/images/mini_100/600/648/648-3494hc.030-1.jpg)
UNITED ENGINE MACHINE
3494HC.030-1 Single Silvolite Hypereutectic Piston for 2001-2004 GM 8.1L V8 Truck Engine [+ .030]
Part Number: 648-3494HC.030-1
Ships TomorrowLowest price guarantee![3494HC.030-1 Single Silvolite Hypereutectic Piston for 2001-2004 GM 8.1L V8 Truck Engine [+ .030]](https://www.jegs.com/images/mini_200/600/648/648-3494hc.030-1.jpg)
UNITED ENGINE MACHINE
3494HC.030-1 Single Silvolite Hypereutectic Piston for 2001-2004 GM 8.1L V8 Truck Engine [+ .030]
Part Number: 648-3494HC.030-1
Ships TomorrowLowest Price Guarantee
UNITED ENGINE MACHINE
ICON Forged Single Piston - Chevy Ls1 428 Rod 6.125 Flat Top 3cc 2V
Part Number: 648-IC902.030-1
Ships TomorrowLowest price guarantee
UNITED ENGINE MACHINE
ICON Forged Single Piston - Chevy Ls1 428 Rod 6.125 Flat Top 3cc 2V
Part Number: 648-IC902.030-1
Ships TomorrowLowest Price Guarantee
UNITED ENGINE MACHINE
Ring Set 4.360 bore .040 oversize 1-1/16 1-3/16 ductile ring set qty 8 cyl set
Part Number: 648-4360BD8.040
Ships TomorrowLowest price guarantee
UNITED ENGINE MACHINE
Ring Set 4.360 bore .040 oversize 1-1/16 1-3/16 ductile ring set qty 8 cyl set
Part Number: 648-4360BD8.040
Ships TomorrowLowest Price Guarantee
UNITED ENGINE MACHINE
Single Silvolite Hyper-Coated Piston 4.8L/5.3L GM V8 2005-08
Part Number: 648-3520HC.5MM-1
Ships TomorrowLowest price guarantee
UNITED ENGINE MACHINE
Single Silvolite Hyper-Coated Piston 4.8L/5.3L GM V8 2005-08
Part Number: 648-3520HC.5MM-1
Ships TomorrowLowest Price Guarantee
UNITED ENGINE MACHINE
Silv-O-Lite Dish Piston Set w/Coated Skirts for Small Block Chevy 305 ci. (5.0L)
Part Number: 648-1493C.020
Ships TomorrowLowest price guarantee
UNITED ENGINE MACHINE
Silv-O-Lite Dish Piston Set w/Coated Skirts for Small Block Chevy 305 ci. (5.0L)
Part Number: 648-1493C.020
Ships TomorrowLowest Price Guarantee
UNITED ENGINE MACHINE
3191H.020-1 Single Silvolite Hyper Piston - 7.5L Mercruiser V8
Part Number: 648-3191H.020-1
Ships TomorrowLowest price guarantee
UNITED ENGINE MACHINE
3191H.020-1 Single Silvolite Hyper Piston - 7.5L Mercruiser V8
Part Number: 648-3191H.020-1
Ships TomorrowLowest Price Guarantee
UNITED ENGINE MACHINE
ICON Forged Piston - Ford 377C Rod 6.125 Flat Top 3cc 1V or Ford 402C Rod 6.000 Flat Top 3cc 1V
Part Number: 648-IC876.030
Ships on Sep 04, 2026Lowest price guarantee
UNITED ENGINE MACHINE
ICON Forged Piston - Ford 377C Rod 6.125 Flat Top 3cc 1V or Ford 402C Rod 6.000 Flat Top 3cc 1V
Part Number: 648-IC876.030
Ships on Sep 04, 2026Lowest Price Guarantee
UNITED ENGINE MACHINE
ICON Forged Piston - Ford 377C Rod 6.125 Flat Top 3cc 1V or Ford 402C Rod 6.000 Flat Top 3cc 1V
Part Number: 648-IC876.040
Ships on Sep 04, 2026Lowest price guarantee
UNITED ENGINE MACHINE
ICON Forged Piston - Ford 377C Rod 6.125 Flat Top 3cc 1V or Ford 402C Rod 6.000 Flat Top 3cc 1V
Part Number: 648-IC876.040
Ships on Sep 04, 2026Lowest Price Guarantee
UNITED ENGINE MACHINE
ICON Forged Piston - Ford 438FE Rord 6.700 D-Cup 16.3cc 2V
Part Number: 648-IC868.040
Ships on Sep 08, 2026Lowest price guarantee
UNITED ENGINE MACHINE
ICON Forged Piston - Ford 438FE Rord 6.700 D-Cup 16.3cc 2V
Part Number: 648-IC868.040
Ships on Sep 08, 2026Lowest Price Guarantee
UNITED ENGINE MACHINE
ICON Forged Piston - Chry 390 Rod 6.123 Step Dish 23cc 2V
Part Number: 648-IC847.040
Ships on Sep 04, 2026Lowest price guarantee
UNITED ENGINE MACHINE
ICON Forged Piston - Chry 390 Rod 6.123 Step Dish 23cc 2V
Part Number: 648-IC847.040
Ships on Sep 04, 2026Lowest Price Guarantee