2024-2025
2015-2023
2010-2014
2005-2009
1999-2004
1994-1998
1979-1993
Installation Time
(approx) a Weekend
Difficulty Level:
Mechanical expertise or professional installation required.
Guaranteed 12/24 Delivery Still Available see item page for details! available on most items - Details
Talk to a Mustang Sales Tech
1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Find Crate Engines and Blocks for your Mustang
Ford Performance 347 Cubic Inch Boss Short Block
Item 399341
$0.00
Our Price
$7,421.99 each
Out of Stock
$149.00 Oversized Item Fee
Ship to: 43215
Please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
Choose options to add to cart.
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
Product Information
Features, Description, Q&A, Specs & Installation
Features
- Ideal for Building an 8.2 in. Deck Engine
- Based on the Ford 302 Small Block
- Displacement of 347 Cu. In.
- Comes Pre-Assembled and Ready for Installation
- Compatible with Most Aftermarket Performance Cylinder Heads
- Built with All New Parts
- Sold Individually
- Requires Head Gaskets M-6051-CP331 or M-6051-S331 – Sold Separately
- Fits All Ford Mustang Models
Description
A Great Foundation For Mustang Engines. The Ford Performance 347 CI Boss Short Block lets you build your ideal engine with your choice of heads, cam, intake, and oil pan. This block is used in Ford Performance 347 Sealed Racing Crate Engines. It features high-quality performance components like forged crankshafts, forged I-beam connecting rods, and the BOSS 302 block. With such a high-quality performance foundation, building your ideal engine is that much easier.
Assembled with All New Parts. The Ford Performance engineers ensure that all the best parts go into the 347 CI Boss Short Block. It incorporates parts from trusted vendors like SCAT® and Mahle® to give it the performance and reliability that a racing engine needs.
Pre-Assembled and Ready for Installation. This short block is already assembled and ready for your heads, cam, and timing chain set. Note that the pistons are designed for 20-degree valve angle heads. Installation requires head gaskets M-6051-CP331 or M-6051-S331 which are sold separately.
Application. The Ford Performance 347 CI Boss Short Block is designed to fit all Ford Mustang models.
Ford Performance M-6009-347
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Assembled Short Block
Tech Specs
Tech Guides:
4.8
Reviews of Ford Performance Engine Products (500+)
Reviews of Ford Performance Engine products have an average rating of 4.8 out of 5
