Part Number
UEM-KB403-040
Fits BB Ford 521, Bore 4.400 Stroke 4.300, Rod Length 6.700, Dish 30cc, 1 Valve Relief, Compression Height 1.450, Set of 8 Pistons
$510.95
⚠ 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.
Keith Black Hypereutectic pistons are a great choice for high performance marine, drag race, circle track, street or towing application builds. The low expansion 390 alloy with 16 percent silicon allows for a tighter piston to wall running clearance.
Fully machined head and valve reliefs
Triple Spiral Lock Rings
CNC machined pin bores produce straight and accurately sized bores
Accumulator Groove aids with compression ring seal
Machined in Oil Returns
Diamond Finished Skirts
Mini Grooves to reduce scuffing and overheating
Wrist pins and spiral lock included
5/64 x 5/64 x 3/16 rings not included
Compression Ratio 76cc 10.7:1, 82cc 10.2:1, 91cc 9.5:1, 97cc 9.1:1
Advertised piston weight 659 grams, 158 gram wrist pin
OE Deck Height 10.320"
Note: Standard bore size is 4.360
Note: Centered Pin. Made from Ford 460 block. Check rod side clearance
Price | $510.95 |
---|---|
Vehicle Make | Ford BB |
Bore Size | 4.400 |
Crankshaft Stroke | 4.300 |
Rod Length | 6.700 |
Piston Type | Dish |
Compression Height | 1.450 |
Piston Material | Hypereutectic |
Piston Ring Size | 1/16 1/16 3/16 |
Wrist Pin Size | 0.989 |
Custom Notices | ⚠ PROP 65 WARNING |
Other Customers Also Bought
PART #: ARP-534-9605
ARP Chevy Engine Fastener & Accessory Kit 534-9605
Special Price
$380.65
Regular Price
$404.95
PART #: JE-324041
JE Pistons 324041 GM LS Asymmetrical FSR Dish/Inverted Dome 4.070 Bore
Special Price
$879.96
Regular Price
$999.96
PART #: ORP-C6000STSW8
Oliver Connecting Rods SB Chevy Speedway Series C6000STSW8
Special Price
$1,519.97
Regular Price
$1,599.97