BRODIX/SONNY'S 14.5 DEGREE "AS CAST" OVAL HIGH PORT PONTIAC HEADS (FOR MARINE APPLICATIONS)
THE ULTIMATE INDUCTION AND CONVERSION KIT!!!!! THIS KIT GIVES YOU UP TO 125+ HP OVER 26 DEGREE CHEVY HEADED ENGINE (615 CU. IN.) This conversion kit includes: #PB2005 14.5 degree "as cast" ported head. The ultimate sportsman induction package for 500-630 cu. in. 1x4 engine. 490 cc intake runner that flows 500 cfm out-of-the-box, with 45 degree seats. Sonny's has spent many hours of R&D to produce port size and configuration that yields the most power with broad torque curve. These heads come flow tested, Pro Marine valve angles, endurance springs, stainless valves (optional titanium valves) and 10 degree locks.