40902 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 6.800, 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.

Skip to the end of the images gallery

Skip to the beginning of the images gallery

Image is a representation of this item. Actual item may vary.

Description

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

Specifications

More Information
CNC Part Number	DRP-40902
Price	$1,523.99
Sold As	Set
Manufacturer's Part Number	40902
Brands	Diamond
Part Types	Engine Piston
Departments	Parts
Vehicle Make	Ford BB
Bore Size	4.625
Crankshaft Stroke	4.500
Rod Length	6.800
Piston Type	Flat Top
Compression Height	1.250
Piston Material	2618 Forged
Piston Ring Size	.043 .043 3/16
Wrist Pin Size	0.990
Custom Notices	⚠ PROP 65 WARNING

Upsell Products

PART #: DRP-09244625
09244625 Diamond Pro Select Piston Rings 4.625 Bore, .043 .043 3/16
$329.99