AFR 300cc BBC Oval Port Cylinder Heads CNC Ported Hydraulic Roller Springs - Air Flow Research 3670 - TREperformance.com
![AFR 300cc BBC Oval Port Cylinder Heads CNC Ported Hydraulic Roller Springs - Air Flow Research 3670 - TREperformance.com AFR 300cc BBC Oval Port Cylinder Heads CNC Ported Hydraulic Roller Springs - Air Flow Research 3670 - TREperformance.com](https://treperformance.com/images/F143895241.png)
AFR 300cc BBC Oval Port Cylinder Heads CNC Ported Hydraulic Roller Springs - Air Flow Research 3670 - TREperformance.com
![HR-8486-7-CSR BBC 454 to 470 CID with AFR 265 or 290 Oval Port heads to max of 6200 rpm - Clay Smith Cams HR-8486-7-CSR BBC 454 to 470 CID with AFR 265 or 290 Oval Port heads to max of 6200 rpm - Clay Smith Cams](https://cdn11.bigcommerce.com/s-mrvype2s/images/stencil/1280x1280/products/370/614/hydrollercamshaft__45416.1369096187.jpg?c=2)
HR-8486-7-CSR BBC 454 to 470 CID with AFR 265 or 290 Oval Port heads to max of 6200 rpm - Clay Smith Cams
![AFR 300cc BBC Oval Port Cylinder Heads CNC Ported Hydraulic Roller Springs - Air Flow Research 3670 - TREperformance.com AFR 300cc BBC Oval Port Cylinder Heads CNC Ported Hydraulic Roller Springs - Air Flow Research 3670 - TREperformance.com](https://treperformance.com/images/F143895242.png)
AFR 300cc BBC Oval Port Cylinder Heads CNC Ported Hydraulic Roller Springs - Air Flow Research 3670 - TREperformance.com
![ARE LOW-$ BBC HEADS REALLY A GOOD DEAL? 1/2 THE PRICE BUT 1/2 THE HP GAINS! AFR VS SPEEDMASTER OVAL - YouTube ARE LOW-$ BBC HEADS REALLY A GOOD DEAL? 1/2 THE PRICE BUT 1/2 THE HP GAINS! AFR VS SPEEDMASTER OVAL - YouTube](https://i.ytimg.com/vi/NTYFqgpOom0/maxresdefault.jpg)
ARE LOW-$ BBC HEADS REALLY A GOOD DEAL? 1/2 THE PRICE BUT 1/2 THE HP GAINS! AFR VS SPEEDMASTER OVAL - YouTube
![World Products 030040 – Cylinder Head Cast Iron Chevy Big Block MERLIN 269cc Oval Port 269cc 119cc 26Degree 2.300″ x 1.880″, Bare Castings – Bill Mitchell Products World Products 030040 – Cylinder Head Cast Iron Chevy Big Block MERLIN 269cc Oval Port 269cc 119cc 26Degree 2.300″ x 1.880″, Bare Castings – Bill Mitchell Products](https://billmitchellproducts.com/wp-content/uploads/1970/01/products-boval1__84362.1493303779.1280.1280-600x600.jpg)
World Products 030040 – Cylinder Head Cast Iron Chevy Big Block MERLIN 269cc Oval Port 269cc 119cc 26Degree 2.300″ x 1.880″, Bare Castings – Bill Mitchell Products
AFR BBC 305 cc Oval Port Cylinder Head | Dave talks about this AFR - Air Flow Research Big Block Chey 305 cc Oval Port Cylinder Head and how it can be
![Edelbrock 60435 - Cylinder Head BBC Performer RPM Oval Port 100cc Complete Single w/ Springs - CSPRacing Edelbrock 60435 - Cylinder Head BBC Performer RPM Oval Port 100cc Complete Single w/ Springs - CSPRacing](https://cdn11.bigcommerce.com/s-jobx3e0qy/images/stencil/1280x1280/products/60402/14728974/aa296230523343d47e3fa58a006281e7__80383.1669801698.jpg?c=2)