Image is a representation of this item. Actual item may vary.
Part Number:
DRP-40911

40911 Diamond Pistons BB Ford 429 460 Blue Thunder Thor Forged Flat Top 4.625 Bore

Fits BB Ford 429 460 Blue Thunder Thor, Bore 4.625, Stroke 4.500, Rod Length 6.700, Flat Top -3.6cc, Set of 8 Pistons, Made to order

$1,523.99
View Similar Items
⚠ 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.
Diamond Pistons are some of the best aftermarket pistons on the market. Trust your new engine with a set of Diamond Pistons
Big Block Ford Forged Diamond Pistons will fit the Blue Thunder BB Ford THOR head. Designed for large nitrous use. Ratios figured for "zero" deck height @ 10.300. Gasket volume= 11.3cc, Top ring down from piston crown .320". Valve relief depth .190" intake and .080" exhaust, will clear 2.520" x 1.880" valves. Premium Tool Steel H-13 pins. .043 .043 3/16 ring lands with added side gas ports for better ring seal

Compression Ratio with 70cc Heads 15.4:1
Compression Ratio with 75cc Heads 14.6:1
No advertised piston weight
Made to order
More Information
CNC Part Number DRP-40911
Price $1,523.99
Manufacturer's Part Number 40911
Brands Diamond
Part Types Engine Piston
Departments Parts
Vehicle Make Ford BB
Bore Size 4.625
Crankshaft Stroke 4.500
Rod Length 6.700
Piston Type Flat Top
Compression Height 1.350
Piston Material 2618 Forged
Piston Ring Size .043 .043 3/16
Wrist Pin Size 0.990
Custom Notices ⚠ PROP 65 WARNING
Other Customers Also Bought
PART #: MAN-25751-16 25751-16
Manley 25751-16 Swedged End Pushrods 7.350" Length
$163.69
PART #: DRP-11449 10315 Diamond Nitrous Pistons SB Chevy 400 23° Flat Top 4.155 Bore
11449 Diamond Nitrous Pistons SB Chevy 400 23° Dish 4.165 Bore
$1,340.93
PART #: ESP-442541256100 BB Chevy 409, 442541256100 4340 Steel Eagle Crankshaft, 4.125" Stroke
BB Chevy 409, 442541256100 4340 Steel Eagle Crankshaft, 4.125" Stroke
Special Price $959.28 Regular Price $988.95
PART #: CRW-15929 Crower 15929
Crower 15929 Hydraulic Flat Tappet Camshaft
$235.95
PART #: DRP-12221 12221 Diamond BB Chevy 24/26° Forged Dome Pistons 4.155 Bore
12221 Diamond Pistons BB Chevy 24/26° Forged Dome 4.155 Bore
$1,175.47