Pontiac 421 428 455 rear cap by program engineering block must be.
Splayed main caps sbc 400.
Eagle racing engines installing splayed main caps on 2 bolt main sbc.
Use as tall of a piston as you can but still have the proper skirt clearance to the crank.
Befoe the main webing just finaly gave up.
Splayed main caps on a 400 06 10 06 02 49 pm post 950675 in response to dorian i have a factory 400 block with milodon splayed caps for my 406 and my engine makes over 610 hp on the engine dyno when it was built.
Be sure to use reinforcing.
It was in a door car 1 four barell on alky no nos it ran 5 teens.
When i tore the engine down after 3 years of racing and minor streeet use the engine main bearings looked very good.
350 389 400 pontiac main caps with splayed outer boltsw dowel pins set of 3 by program engineering block must be align bored pro p455r.
And have the 2 bolt block fitted with splayed caps.
1 post by 69firebird tue nov 13.
817 casting 400 sbc.
True deductile iron caps take a beating and return to their original shape deductile saving the bearings and continuing to perform well.
Eagle racing engines installing splayed main caps on 2 bolt main sbc.
Estimated ship date loading 11 30 2020 if ordered today.