Part Number:
UEM-IC853-140
Fits BB Ford 520 & 545, Bore 4.500, fits 520 4.300 Stroke with 6.800 Rod, fits 545 4.500 Stroke with 6.700 Rod, Flat Top 7.6cc, 561 grams, Set of 8 Pistons
Special Price
$769.68
Regular Price
$793.48
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals.
For more information, go to www.P65Warnings.ca.gov.
Icon Forged Pistons are forged from high ductile 2618 alloy. With a 1% silicon content 2618 alloy they are formulated and heat treated for the most demanding performance applications such as very high compression ratios, boosted application and nitrous
Crown and valve reliefs are cnc machined
Top land mini groove technology
Skirts machined by UEM's unique in house built cnc machines
Accumulator groove to help eliminate flutter and maximize ring seal
Skirt and pin boss struts designed to withstand heavy loads from high cylinder pressures
Wrist pins and spiral lock rings included
1/16 1/16 3/16 rings not included
Compression Ratio 520 72cc 12.9:1 and 545 72cc 13.4:1
Advertised piston weight 561 grams, 141 gram wrist pin
OE Deck Height 10.320"
Note: Standard bore size is 4.360
Notes: Pin is Centered. Use 460 Block. For sue with SCJ (M6049) and Kaase P51 cylinder heads. Connecting rod small end width 1.250" max/ Uses BBC 0.9898" diameter wrist pin. Ring set for 0.140" oversize is (4466BD8.034)
Notes: Ships direct from manufacturer
| CNC Part Number | UEM-IC853-140 |
|---|---|
| Price | $793.48 |
| Sold As | Set |
| Manufacturer's Part Number | IC853-140 |
| Brands | Icon |
| Part Types | Engine Piston |
| Departments | Parts |
| Vehicle Make | Ford BB |
| Bore Size | 4.500 |
| Crankshaft Stroke | 4.300, 4.500 |
| Rod Length | 6.700, 6.800 |
| Piston Type | Flat Top |
| Compression Height | 1.350 |
| Piston Material | 2618 Forged |
| Piston Ring Size | 1/16 1/16 3/16 |
| Wrist Pin Size | 0.990 |
| Custom Notices | ⚠ PROP 65 WARNING |













