| JE shelf Pistons for the 302/351 Small Block Ford engines are designed to suit most Ford Factory
as well as aftermarket cylinder heads with a few notable exceptions. All Ford Cleveland style
"canted valve" heads, Brodix models BF200 and BF300, Chapman SC1 and all TFS "Twisted
Wedge" heads require custom pistons unless the JE part is specifically noted to suit that application.
JE does offer some shelf pistons specifically designed for the Twisted Wedge style heads.
These are designated the "Twisted Series" pistons and are listed along with the standard models
where they are available.
Big Block Ford engines are separated into two categories to determine piston to cylinder head compatibility.
First are the early FE styles that include the 390, 406 HP, 410 Mercury, 427 and 428
Standard, 428CJ and the 428 SCJ (427 SOHC heads require custom pistons). Second are the later
style 429/460 heads (SVO A, C, E, 460SCJ and Boss 429 heads all require custom pistons). All JE
Big Block Ford shelf pistons are designed to work with most other factory and aftermarket heads.
If you have questions regarding the head chamber details on your particular cylinder head JE suggests
that you contact the cylinder head manufacturer directly. Always physically check the proper
clearances as explained in the notes and diagrams here.
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- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.
