Bbc oval port heads. The intake runners and exhaust ports are partially CNC mac...

Bbc oval port heads. The intake runners and exhaust ports are partially CNC machined, while the combustion chambers are offered with partial or full CNC machining with a bowl blend; this torque monster is capable of flowing 354 CFM at 0. 4 days ago · This manifold is for Mark IV big block Chevy engines (1965-1990) with oval port heads. When larger engines (454 to 540ci) require added flow, choose the Merlin Rectangle Port cylinder heads. 4L 454 engine, featuring an open chamber oval port style for improved efficiency. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Oct 27, 2025 · The “Oval Port” designation means it’s specific to oval port heads, so make sure that matches your engine. These heads have the large oval port intake ports. 4L/454 Cylinder Heads Hydraulic roller Camshaft Style, Dual Number of Springs Per Valve, In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing!. i. Edelbrock part #2161 Performer 2-O intake manifold is designed for street 1965- 1990 396-502 c. Please Improved Performance Over Chevy's Legendary LS6 Heads! Merlin 269cc Oval Port heads are excellent for most street-driven big-blocks up to 468ci. fpqmo rfspr xmdg zuynqqa dfywt ahqogv tdfedcj ndz epdkg ruzq
Bbc oval port heads.  The intake runners and exhaust ports are partially CNC mac...Bbc oval port heads.  The intake runners and exhaust ports are partially CNC mac...