EMPI High Performance Cylinder Heads

Description

The EMPI High Performance Cylinder Head Casting Are Made From A Special Aluminum ALLOY For Strength And Rigidity — And IS Repairable. Intake & Exhaust Ports Are 20% Larger Than Stock, With Thick Interior Walls For Porting And Exhaust Air Passages Are Clear For Excellent Cooling. Machined For 12mm 3/4″ Reach Plug.

• Special Aluminum Alloy For Superior Strength And Rigidity
• Permanent Mold Casting
• 12mm, 3/4″ Reach Plugs Moved Away From Valve Seats To Eliminate Stress Cracks
• Bronze Valve Guides
• Valve Seats Installed (40mm Intake / 35.5mm Exhaust)
• Increased Port Wall Thickness For Porting
• Exhaust Air Passages Are Clear For Proper Cooling
• Weldable For Custom Work
• Rocker, Exhaust And Intake Studs Included
• Stainless Steel Valves
• 20% Larger Intake And Exhaust Ports

Dual Port Cylinder Heads – Bare
Bare Head Comes With 40 X 35.5mm Valve Seats And Bronze Valve Guides Installed. Rocker, Exhaust And Intake Studs Are Included. Standard 85.5mm Bore. 58cc Chamber.
98-1345-B          Dual Port Cylinder Head, 85.5mm, Bare, Each (Ref. P/N: 042 101 355ch)

Dual Port Cylinder Heads – Complete
Complete Hi-Performance Dual Port Heads, Assembled With 40 X 35.5mm Stainless Steel Valves, Single Or Dual Hi-Rev Valve Springs, Chromoly Retainers, Hardened Keepers, Rocker, Exhaust And Intake Studs. Standard 85.5mm Bore. 58cc Chamber.
98-1346-B          Dual Port Cylinder Head, 85.5mm Bore, Single Valve Springs — Complete, Each
98-1347-B          Dual Port Cylinder Head, 85.5mm Bore, Dual Valve Springs — Complete, Each

Dual Port Cylinder Heads W/Competition Valve Job – Complete
Complete Hi-Performance Dual Port Heads, With Your Choice Of Bore Size, Assembled With 40 X 35.5 Stainless Steel Valves, Single Or Dual Hi-Rev Valve Springs, Chromoly Retainers, Hardened Keepers, Rocker, Exhaust And Intake Studs. Complete With A Professional Performance Valve Job And Assembly. 58cc Chamber.
98-1386-B New! Dual Port Cylinder Head W/Competition Valve Job, For 85.5mm W/Single Springs — Complete, Each
98-1387-B New! Dual Port Cylinder Head W/Competition Valve Job, For 85.5mm W/Dual Springs — Complete, Each
98-1390-B          Dual Port Cylinder Head W/Competition Valve Job, For 92mm W/Single Springs — Complete, Each
98-1391-B          Dual Port Cylinder Head W/Competition Valve Job, For 92mm W/Dual Springs — Complete, Each
98-1392-B          Dual Port Cylinder Head W/Competition Valve Job, For 94mm W/Single Springs — Complete, Each
98-1393-B          Dual Port Cylinder Head W/Competition Valve Job, For 94mm W/Dual Springs — Complete, Each