Chevrolet 400 Small Block Engine Block Parts
This page brings together engine block parts for the Chevrolet 400 Small Block, covering model years 1970–1985. The range spans oil pumps, pistons, valve covers, connecting rod bearing sets, and more — in configurations that include chrome, polished, black, and heavy-duty finishes. Choose your model year above and this page keeps only the engine block parts that fit your Chevrolet 400 Small Block. Each listing is matched to our vehicle fitment data before it appears here.
Wiseco S451 Unchromed Piston Wrist Pin 0.927in. OD x 2.500in. 5115 Steel
Wiseco 4137GFX GFX-Style Piston Ring Set 4.137 in. Bore 1.2/1.2/3.0mm File Fit
King Engine Bearings MB 509XP 001 Main Bearing Set for Chevy 400ci .001" Undersize
King Engine Bearings MB 509HP 021 HP-Series Racing Main Bearing Set Chevrolet 400 V8
What's here for your Chevrolet 400 Small Block
- Engine oil pumps — single and heavy-duty styles
- Engine oil pans — chrome, black, and polished finishes with rear and flange configurations
- Engine piston sets and individual pistons — kit and performance offerings
- Engine oil pump pickup tubes
- Engine connecting rod bearing sets
- Engine valve covers — chrome, black, and polished options
- Engine cylinder head bolt sets
The widest selection of Chevrolet 400 Small Block engine block parts here comes from Moroso, JE Pistons, King Engine Bearings, and SRP. Other categories Chevrolet 400 Small Block owners shop for: Chevrolet 400 Small Block Fuel Injectors and Injection Parts, Chevrolet 400 Small Block Exhaust Hardware and Chevrolet 400 Small Block Engine Bearings, or browse all Chevrolet 400 Small Block parts and accessories.