This rotating assembly is for those that prefer Diamond pistons with the reverse dome, tighter deck clearance, and all forged components with a great price. It starts with a 4340 forged steel 3.400” stroke crankshaft, K1 4340 5.960” H-beam rods with 7/16 ARP 2000 cap screw bolts, and Diamond forged piston kit with moly rings. These kits are available in STD, .020, .030, and .040” oversizes.  Compression ratio will be 8.4:1 w/ stock deck and .040” gasket and 46 cc heads and 8.7:1 w/ 9.510” deck and .040” gasket and 46 cc heads.

Parts Included:
Diamond Forged Pistons (DIA 21402 - Your Choice of Size)
Diamond Total Seal Moly Rings (DIA 09023830 - Your Choice of Size)
3.400 4340 Steel Forged Crankshaft (WRE CSGN3400)
5.960 K1 Technologies 4340 Steel H-Beam Connecting Rods (K1T BH5960ARVB6-A)

Part Number: WRE RAGN3400KD

Description: New Turbo Buick 3.8L V6 Rotating Assembly Kit with Diamond Pistons, K1 Technologies 5.960" 4340 H-beam Connecting Rods, and a 4340 Steel Forged 3.400" Stroke Crankshaft (Mains and Rods Standard).

Please select cylinder bore size when ordering.