Our port development on the RHS LS1 castings is now complete, and we have them in process.
Competition Components 229CC CNC Ported LS1 Heads Feature:
- · 2.080/1.600 Ferrea 6000 series Race Valves
- · Fully CNC Ported Runners
- · CNC Machined Chambers
- · Hardened Springs Seats
- · .625 lift PAC Beehive springs
- · Moly Retainers
- · Heat Treated Valve Locks
- · Viton valve stem seals
- · 62 CC Chambers
These heads are fully CNC Ported RHS castings. Developed specifically for 390-427 CID Naturally aspirated engines to provide maximum power and acceleration. Also works well with max effort stock stroke engines as well as Power adder combos from 346cid and up. Every component has been selected for excellent quality and longevity. You won’t find a better quality package anywhere! Fully assembled and ready to go. Available upgrades include: hollow stem valves, titanium retainers, dual springs, and titanium valves.
