
Key Features & Specs:
Fitment:
The Brian Crower BC0509 stroker kit is a fully balanced rotating assembly designed for Hyundai G6DA V6 engine builds requiring increased displacement, billet crankshaft strength, and ProH2K connecting rod performance. This 4.21L stroker package includes a 4340 billet crankshaft with a 93mm stroke, BC ProH2K rods, and custom pistons available in your selected bore size and compression ratio. Built for high-performance Hyundai V6 applications, this kit provides the core components needed for custom street, track, boosted, and racing engine combinations. ACL Race bearings are sold separately.