TWS Performance Rover V8 Heads - CNC Ported, Stage 3 Valves

TWS Performance Rover V8 Heads - CNC Ported - Stage 3 Valves

TWS Motors
SKU:
WSRV8CNCHSTG3
Availability:
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$3,399.00
$4,250.00
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Description

These heads are a nice step up from our hand ported heads, ensuring maximum and even flow via our CNC porting method. Adds 15hp 15tq over our hand ported heads stage 3 valved heads. Works well for any high performance 3.5, 3.9, 4.0, 4.2, 4.6, 4.8 or 5.0. 

 

Available in 10 or 14 bolt head, 28cc and 36cc respectively. Core charge of $500 for outright sale.

 

Valves

• Exhaust Valve size 35.5mm – 1.40”
• Intake Valve 41.4mm – 1.63”
• High flow valve stems (waisted stems)
• Valve heights set the same

 

Porting
• Intake ports & exhaust ports are CNC ported
• Bowls are opened up and CNC ported
• Exhaust ports are 35.8mm (1.41") tall and 26mm (1.02") wide

 

Heads
• Heavy duty valve springs installed to match camshaft profile, Max .550 lift
• Valve seats opened for larger valves
• Valve guides cut down to accept larger lift cams and valve seals reinstalled
• Push rod holes opened to accept large lift camshafts
• Come with Cometic exhaust manifold gaskets matched to enlarged ports

 

 

Built by TWS Motors in the USA