AMC Bare 1.8 Casting Type 4 Aircooled "Round" Port 911 These liners do not come

These liners do not come with head gasket grove

Weight: 14LB

Brand New Oil Filler Breather Nut for OEM Oil Breather/Filler

to eliminate the O-ring and stop possible oil leaks

Brand new set of 8 Dual High-Rev Springs for increased RPM and Performance

AMC Bare 1.8 Casting Type 4 Aircooled "Round" Port 911 These liners do not comeAMC Bare 1. 8 Casting Type 4 Aircooled "Round" Port, build the performance Head of your needs. It Comes bare with out Seats or Guides. Giving you the the ability to build any possible combo Stock or Street head you want. The 1. 8L casting come With a breather pipe, Slightly larger combustion chamber over the 2. 0L castings, and still set up with smog holes. Exhaust Port: Round