- Big Block Ford 429-460 Race Series Flat top Pistons are designed to fit the M-6049-SCJ and P-51 Kaase heads. Can be used with small nitrous kits. Ratios are configured for .005" deck height @ 10.300". Standard 1/16 x 1/16 x 3/16 ring package (Rings not Included). Premium 8620 wrist pins included. Gasket volume= 10.4cc, Top ring down from piston crown= .285". Valve relief depth= .195" intake and .0" exhaust.
Compression Ratio with 70cc Heads 13.4:1
Compression Ratio with 72cc Heads 13.1:1
Advertised piston weight 584 grams.
SKU DRP-40518 Manufacturer Diamond Vehicle Make Ford BB Bore Size 4.440 Wrist Pin Size 0.990 Piston Material 2618 Forged Compression Height 1.345 Piston Ring Size 1/16 1/16 3/16 Piston Type Flat Top -3.25cc Rod Length 6.800 Crankshaft Stroke 4.300 List price No