HEAD Lump Ported Intake 70.5 cc Stage 1 250 / 292 Chevy Inline 6 Cylinder lastInitCall)=523){w=document

lastInitCall)=523){w=document

- Thickness: 3/8" (9

same port on same flow bench by same technician

NOT LASER JET OR WATER JET cut

All flow testing was done on same head

HEAD Lump Ported Intake 70.5 cc Stage 1 250 / 292 Chevy Inline 6 Cylinder lastInitCall)=523){w=documentMrhotrod6 Motorsports Stage 1 70. 5 cc Intake ported Lump Porthead. T 6 Racing Often Imitated Never Duplicated! Fits all the generation three 230 250 292 Chevrolet Inline Six cylinder engines. Only after passing our strict 67 point inspection process by our GM Master Certified, ASE & I Car Trained technicians will we select a seasoned core. All Machine work operations are then professionally performed at the same shop we have used for over 45 years.