85.5mm /87mm GTV-2 Performance Cylinder head 40mm x 35.5mm Valves

(Priced individually)
High-flow ports for enhanced engine performance
Equipped with 40mm intake and 35.5mm exhaust valves
Designed for 1600/1641cc engines .
The Empi GTV-2 Dual Port Cylinder Head is a high-performance upgrade, ideal for racing applications in 1600/1641cc engines.
Designed to suit 85.5mm or 87mm barrels and pistons, this cylinder head features high-flow ports, a performance valve job, and massive 40mm Manley stainless steel intake valves paired with 35.5mm Manley stainless steel exhaust valves. 
These components, along with single heavy-duty valve springs, chromoly retainers, and 3-groove collets, ensure optimal airflow and engine efficiency.
With 55cc combustion chambers, 12mm spark plug threads, and 30.2mm inlet ports, this cylinder head is built for serious performance. Sold individually, it's recommended to order two for a complete engine upgrade, ensuring balanced and powerful performance across all cylinders.
Chamber Volume: 56cc
Intake Port Volume: 56cc
Exhaust Port Volume: 66.5cc
Flow @ 25” Vacuum
Valve Lift - CFM
.100”  -  55CFM
.200”  -  87CFM
.300”  -  113CFM
.400”  -  130CFM
.500”  -  137CFM
.600”  -  141CFM
.650”  -  142CFM
Dimensions:
Width: 305mm
Height: 160mm
Depth: 205mm
Weight: 6.2kg
This Part Fits - Beetle, Karmann Ghia, Bay window, Split screjen, Trekker, Type 3, Buggy