Strengthen the bottom end of your engine - Chevrolet 396-454 1966-90, 1045 Steel, HRC 20-15, Main Caps, Straight Caps, Set of 4.
PRW Billet Steel Main Caps raise the bar in the high performance industry. The combination of top quality and reasonable pricing sets new standards. We know that when you receive your new PRW performance components, you will have no trouble seeing what the excitement is all about.
PRW Billet Steel Main Caps offer excellent strength at a reasonable cost. They're made from precision-machined high strength steel, which has the proper balance of strength and flexibility to allow transfer of increased shock loads to the crank and bearings. These main bearing caps will improve your engine performance and reliability by eliminating main cap walk and reducing main bearing bore distortion.
Benefits/Characteristics
CNC machined
Manufactured from 1045 low carbon steel
Stabilizes the entire crankshaft rotating assembly
Features
- Main Cap Position:
- 4-center
- Main Cap Fastener Style:
- Straight/Angeled
- Main Cap Fastener Quantity:
- 4-bolt
- Main Journal Type:
- Chevy 454
- Main Cap Fasteners Included:
- No
- Main Cap Retention Style:
- Bolt
- Main Cap Material:
- Steel
- Machine Work Required:
- Yes
- Quantity:
- Sold as a set of 4.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Years:
- 1966-1990
