Pistons › BLS1133-030 LS1/LS2/LS3 CP Pistons BLS1133-030 LS1/LS2/LS3 CP Pistons $1,016.40 Chevy 409ci LS L92 4.030 bore 1.115 CH 4.000 stroke 6.125 rod 13:1 CR with 68cc headBore: 4.030"Stroke: 4.000"Rod Length: 6.125"Compression Height: 1.115"Dome Height: +0.175"Dome/Dish Volume: +10.0ccReference Chamber: 68.0ccCatalog Compression Ratio: 13.10:1Piston Weight: 462gResulting Displacement: 408 cid Chevy 409ci LS L92 4.030 bore 1.115 CH 4.000 stroke 6.125 rod 13:1 CR with 68cc headBore: 4.030"Stroke: 4.000"Rod Length: 6.125"Compression Height: 1.115"Dome Height: +0.175"Dome/Dish Volume: +10.0ccReference Chamber: 68.0ccCatalog Compression Ratio: 13.10:1Piston Weight: 462gResulting Displacement: 408 cid Add To Cart Added! You Might Also Like BBC5305-STD BBC CP Pistons $1,068.90 BLS1201-030 LS7 CP Pistons $1,016.40 BLT-1112-030 LT 5.3L CP Pistons $1,182.30 BLS1204-005 LS7 CP Pistons $955.50 BBCRE5321-105 BBC CP Pistons $1,778.70