Skip to main content

SBC Small Block Chevy Steel Main Caps 5140 Steel 4-Bolt Conversion 305 350 383

  • $89.99
  • Buy It Now
  • Free Shipping
View Details
You are bidding on a new set of small block Chevy 4 bolt steel main caps. These are for blocks having the 350 main journal sizes. Conversion from 2 to 4 bolt (does not work on existing 4 bolt blocks)....
Time left:4d 19h 36m
Item location:Iowa
Sold by:
This item is being sold by eBay Top rated seller.

About 350 4-Bolt Main Block

You prefer strength and stability and as such, you decide to equip your engine with a 350 4-bolt main block instead of a 2-bolt block. Upgrading to a 4-bolt block is a quick and easy process. The 4-bolt block helps add additional strength and durability to the engine inside of your vehicle. Each block is made from steel and is ready to place on the engine. These blocks are only good for upgrading and cannot be used on a 4-block engine. You never have to worry about returning the inner core and it comes already charged and ready to go. In addition, 350 Chevy engine 4-bolt main block caps are rust resistant so you never have to worry about corrosion or deterioration. Once the blocks are installed on your engine, you can enjoy the benefits of having a sturdier engine and better performance. There is a vast selection of 350 4-bolt main blocks available for you to choose from on eBay Increase the security and strength of your engine today by installing new block caps on top of your vehicle's core.