You love the Pro1 275 Oval Port Cylinder Heads for Chevy Big Block engines from Dart and now you can get those same great heads with 110cc chambers. This means more compression ratio and build possibilities than ever! And of course, each head is constructed from the highest-quality materials, giving you a great cylinder head for your money.
Pro1 BBC 275 Oval Port Cylinder Heads with 110cc Chambers
Our popular Pro1 275 oval port heads for big block Chevy engines are now available with an option for smaller, 110cc combustion chambers. The new smaller chamber makes higher compression ratios possible and expands the build possibilities for an already great head.
Inspired by our championship winning Pro Stock designs, the Pro 1’s race proven features include rolled valve angles, improved spark plug location, extra long intake valves, raised exhaust ports and fast burn chambers – Yet the Pro 1 can be used with off the shelf pistons, valve train components and intake manifolds.
Premium alloy: Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity.
Bolt on compatibility: 2 degree rolled valve angle and standard spacing. Accommodates all stock accessories.