Small Bore CID LS7 EXHAUST VALVE:REV STAINLESS Our 275CC heads start as

Our 275CC heads start as an aftermarket casting that we designed our own port for

7 Int 200 265 305 340 357 365 Exh 159 200 226 240 248 254

7 Int 155 240 300 347 381 410 Exh 113 160 198 230 245 252

Cleaning and reassembly to your needs and specification

Small Bore CID LS7 EXHAUST VALVE:REV STAINLESS Our 275CC heads start asOur Small Bore CID LS7 CNCd heads include: Our in house CNC port PCD surfaced Proprietary competition valve job Hand blended valve job TSP 660 Spring Kit REV 2. 140 Intake Valve REV 1. 600 Exhaust Valve Minimum Bore size 4. 0 ***This is our most common setup, but if this doesnt meet your needs please call us so we can get you set up to your needs*** Intake valve: 2. 14 Exhaust: 1. 6 Flow lift . 2 . 3 . 4 . 5 . 6 . 65 Int 160 222 284 331 364 375 Exh