Pistons › BBF6206-030 Ford Big Block CP Pistons BBF6206-030 Ford Big Block CP Pistons $1,068.90 Big Block Ford 521 Head: 460 Iron Bore: 4.390Bore: 4.390"Stroke: 4.300"Rod Length: 6.800"Compression Height: 1.350"Dome Height: -0.215"Dome/Dish Volume: -38.0ccReference Chamber: 75.0ccCatalog Compression Ratio: 9.40:1Piston Weight: 561gResulting Displacement: 521 cid Big Block Ford 521 Head: 460 Iron Bore: 4.390Bore: 4.390"Stroke: 4.300"Rod Length: 6.800"Compression Height: 1.350"Dome Height: -0.215"Dome/Dish Volume: -38.0ccReference Chamber: 75.0ccCatalog Compression Ratio: 9.40:1Piston Weight: 561gResulting Displacement: 521 cid Add To Cart Added! You Might Also Like BF6165-STD Ford Windsor/Cleveland CP Pistons $955.50 BF6170-STD Ford Windsor/Cleveland CP Pistons $1,016.40 BF9828-STD Ford Modular 4.6/5.0L CP Pistons $1,182.30 BF6011-030 Ford Windsor/Cleveland CP Pistons $1,016.40 BFR6059-030B Ford Windsor/Cleveland CP Pistons $1,182.30