Ford Racing BOSS 302 Cylinder Block Big Bore
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
In the world of racing and performance, BIGGER is always better. Ford Performance gets it - and that's why it offers BOSS small blocks in Big Bore versions. The Ford Performance BOSS blocks are designed to be a replacement for the legendary BOSS 302 and BOSS 351 blocks using the latest technology and manufacturing techniques available. Cast from diesel grade iron with siamese bores, thick cylinder walls and decks, BOSS block strength is far superior to any Ford production block ever offered. Ford Performance Big Bore version of the BOSS 302 block makes it simpler and more economical to build really BIG small blocks. To insure the most precise bore location, concentricity and integrity, the BOSS Big Bore blocks are machined an additional .125 in. during the initial block fixturing and boring stage. With an unfinished bore size of 4.120 in., Ford Performance BOSS 302 Big Bore blocks will support engine sizes up to 363 cubic inches. The Ford Performance BOSS block capability has been proven around the world, both on the track and on the street. And, all Ford Performance BOSS blocks are cast and machined to the highest industry standards in the USA. Requires special length 1/2 in. head bolts M-6065-BOSS or head studs M-6014-BOSS recommended with M-6049-X306/307/Z304DA heads; Uses common OD cam bearings M-6261-J351/R351; Unique cam plug M-6026-S351 included; M-6051-S331 or M-6051-CP331 head gasket recommended; Designed to be compatible with the original 302 and 351W blocks. Designed to use stock type timing cover, timing Cover M-6059-D351 recommended ; Fits factory Mustang oil pan with custom oil pick-up tube M-6622-BOSS302; Retains clutch cross shaft pivot hole; Original Style oil filter location; Original motor mount boss locations; Original bell housing pattern; Weighs approximately 163 lbs.; The foundation for 8.2 in. deck projects
Installation InstructionsInstallation Instructions
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.