Shafiroff Racing Engines and Components

18° Big Chief heads with Manley NexTek 1.677" Triple Springs and Titanium Valves and Retainers. The most powerful "Nitrous Friendly" 18° Head available today!

Priced Per Pair
For 14° add $200
Standard Configuration
• Chambers: 89cc (85 - 98cc Available)
• Intake Port: 425cc Runner
• Intake Valve: 2.400" Titanium
• Exhaust Valve: 1.900" Titanium
• Springs: Manley NexTek 1.677" Triple Roller
• Retainers: 10° Titanium
• Rocker Studs: Uses Shaft Rocker System
• Guide Plates: Uses Shaft Rocker System

Porting/Chambers:
CC and Mill Chambers $ Call
Rocker Arms & Components:
T&D Pro Series Shaft Rocker System w/1.7 or 1.75 Ratio $ 1714
Needle Bearing Tip Option add $ 200
Gaskets:
Cometic MLS Head Gaskets (Multi Layered Steel)
4.350" to 4.630" Bore Sizes • Available In .040/.045/.051 Thickness each $ 95
4.350" to 4.630" Bore Sizes • Available In .060/.066 Thickness each $ 115
Intake Gaskets - Many Types & Thicknesses Available $ 20
Moroso Blue Silicone Rubber/Steel Core Valve Cover Gaskets $ 45
Mr. Gasket Ultra Seal Exhaust Gaskets $ 22
Fasteners:
ARP Head Stud Kit w/Parallel Ground Washers $ 197