S&S Cycle SS90-1004 Super Stock Cylinder Head Kit Natural Aluminum Finish for Harley-Davidson Big Twin 86-99 (requires S&S 3-1/2" & 3-5/8" Bore Pistons) • 144 Teeth

• 144 Teeth

Manufacturer Part Number: DGV-5000 Sold in Units: Each Voltage: 12 V Warehouse Part Number: CE-DGV-5000

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S&S Cycle SS90-1004 Super Stock Cylinder Head Kit Natural Aluminum Finish for Harley-Davidson Big Twin 86-99 (requires S&S 3-1/2" & 3-5/8" Bore Pistons) • 144 TeethThese S&S Super Stock cylinder heads for 1984 '99 HD Evolution Big Twin engines feature a specially shaped combustion chamber and require special pistons that must be purchased separately. (Not compatible with stock style flat topped pistons) Large 2. 000" intake and 1. 605" exhaust valves and high flowing ports supply plenty of air for big inch engines. Compatible with cams with lifts up to . 650". Compatible with stock 3 1 2" or 3 5 8" bore engines.