Proflow Carburettor Spacer, Aluminium, 2 in. Thick, Tapered Combo, 4500 Square B Driveline These Aeroflow Performance OEM GM

These Aeroflow Performance OEM GM LS rocker arms feature an upgraded trunnion and install easily on your LS cylinder heads without any modifications and a direct OEM(GM12681275) replacement rocker

Aluminium Washer Kit

Stainless steel emits excellent mechanical and physical properties

Note: NO water coolant temp sensor is located in this wiring harness and must be wired separately

Depth of Pan 2-1/2"

Proflow Carburettor Spacer, Aluminium, 2 in. Thick, Tapered Combo, 4500 Square B Driveline These Aeroflow Performance OEM GMPart Number : PFESSLW45002AL These billet aluminium tapered spacers can increase flow rates through the carburettor by as much as 100 CFM. They will increase torque, horsepower and acceleration throughout the entire RPM range, offering smooth power delivery. These are available in 4150 and 4500 versions in either a silver or black anodised finish. This provides high performance consumers with the ability to tune their engines for maximum performance