Pistons › BBC5311-STD BBC CP Pistons BBC5311-STD BBC CP Pistons $1,068.90 Big Block Chevy 24.5cc dome 4.500 Bore 4.000 stroke 6.135 rod, 10.7 to 1 with 118cc headBore: 4.500"Stroke: 4.000"Rod Length: 6.135"Compression Height: 1.645"Dome Height: +0.250"Dome/Dish Volume: +24.5ccReference Chamber: 118.0ccCatalog Compression Ratio: 10.50:1Piston Weight: 709gResulting Displacement: 509 cid Big Block Chevy 24.5cc dome 4.500 Bore 4.000 stroke 6.135 rod, 10.7 to 1 with 118cc headBore: 4.500"Stroke: 4.000"Rod Length: 6.135"Compression Height: 1.645"Dome Height: +0.250"Dome/Dish Volume: +24.5ccReference Chamber: 118.0ccCatalog Compression Ratio: 10.50:1Piston Weight: 709gResulting Displacement: 509 cid Add To Cart Added! You Might Also Like BLSR1201-005 LS7 CP Pistons $1,182.30 BLS1200-010 LS7 CP Pistons $1,016.40 BBC5110-070 BBC CP Pistons $1,068.90 BLS1134-125B LS1/LS2/LS3 CP Pistons $1,016.40 BBC5313-100 BBC CP Pistons $1,068.90