Zippers Stage 4 Heads. Check out the new build we did for traveling tall in his late model street glide, it is an impressively fast combination! Our high output 2.0”twin cam© heads are designed for larger displacement, 4 inch+ bore engines. Zipper’s stage 4 cnc for 06+ tc w/acr. The largest port we can machine into these o.e castings is what you get with stage 4. These heads rev very fast and the. The welded and cnc ported stage 4 have a 1.900 intake valve and can be used with stock intake. All heads are sold complete with top quality valves, guides, springs and seals installed. This kit includes cnc ported heads, bored cylinders, pistons and ring set. Zipper’s stage iv promax cnc 2.0. This is zipper’s newest fully developed cnc ported head designed for. Zipper’s muscle 124” big bore kit for the 107” m8 is the most powerful top end kit produced. This kit was built for extreme performance and designed for a 577 zippers red shift cam and an upgraded throttle body.
from www.zippersperformance.com
Zipper’s muscle 124” big bore kit for the 107” m8 is the most powerful top end kit produced. This kit was built for extreme performance and designed for a 577 zippers red shift cam and an upgraded throttle body. Our high output 2.0”twin cam© heads are designed for larger displacement, 4 inch+ bore engines. Zipper’s stage 4 cnc for 06+ tc w/acr. Check out the new build we did for traveling tall in his late model street glide, it is an impressively fast combination! The largest port we can machine into these o.e castings is what you get with stage 4. These heads rev very fast and the. All heads are sold complete with top quality valves, guides, springs and seals installed. This kit includes cnc ported heads, bored cylinders, pistons and ring set. Zipper’s stage iv promax cnc 2.0.
Zipper’s Stage III CNC Heads for CVO 110 & 120R/ST Engines
Zippers Stage 4 Heads These heads rev very fast and the. This is zipper’s newest fully developed cnc ported head designed for. Our high output 2.0”twin cam© heads are designed for larger displacement, 4 inch+ bore engines. Zipper’s stage iv promax cnc 2.0. This kit was built for extreme performance and designed for a 577 zippers red shift cam and an upgraded throttle body. The welded and cnc ported stage 4 have a 1.900 intake valve and can be used with stock intake. All heads are sold complete with top quality valves, guides, springs and seals installed. These heads rev very fast and the. Zipper’s muscle 124” big bore kit for the 107” m8 is the most powerful top end kit produced. This kit includes cnc ported heads, bored cylinders, pistons and ring set. The largest port we can machine into these o.e castings is what you get with stage 4. Check out the new build we did for traveling tall in his late model street glide, it is an impressively fast combination! Zipper’s stage 4 cnc for 06+ tc w/acr.