GM454 GM502 Engine Cylinder Block Assembly 9111053 9111052 for Chevrolet Chevy 454 V8 7.4L 8.1L
Upgrade or rebuild your powerful Chevrolet big-block V8 with this high-quality GM454 GM502 Engine Cylinder Block Assembly (OEM references: 9111053 / 9111052). Designed for Chevrolet, Chevy, and GMC vehicles, this robust cylinder block is the perfect solution for 7.4L (454 ci), 8.1L (496 ci), and stroker builds up to 9.2L and 9.5L.
Key Specifications:
- Engine Codes: GM454 / GM502
- Compatible Displacements: 7.4L (454 V8), 8.1L, 9.2L, 9.5L stroker applications
- Deck Height: 9.5″ (tall deck configuration for increased clearance and performance potential)
- Bore Sizes: Supports 4.25″ standard bore and up to 4.5″ overbore
- Material: Premium cast iron construction for maximum strength and durability under high stress and horsepower
- Condition: Brand New
- Main Caps: Heavy-duty design (commonly 4-bolt configuration for superior bottom-end strength)
Product Features & Benefits:
- Direct replacement or performance upgrade for Chevrolet 454 big-block engines
- Excellent for marine, truck, RV, drag racing, and high-performance street applications
- Precision-machined for perfect piston clearance and head gasket sealing
- Supports large displacement builds — ideal for turning your 454 into a torque monster 496, 540, or larger stroker
- Outstanding heat dissipation and structural rigidity thanks to high-grade cast iron
- Rigorous quality control ensures reliable performance and long service life
