S&S Cycle - S&S Performance Parts 2025 L - Volume 67

1984-'99

Phone: 608-627-1497

1 -2017-UP 2 -2007-'17 3 -1999-'06 4 -1984-'99 5 -1936-'84 6 -XL-RA1250 7 -BELTS & GASKETS 8 -TOOLS 9 -WARRANTY 10 -APPENDIX

Fitment • 4" bore S&S V-Series engines Features And Benefits • Special S&S 4" bore bolt pattern • Machined for S&S manual or electric compression releases • 2 000" intake valves and 1 605" exhaust valves • Special "cast-to-shape" intake ports with a special directional fin for improved air flow • Precision CNC machined from heat treated aircraft quality aluminum castings Kit Contents • 2 fully assembled cylinder heads with S&S valve springs • Threaded plugs to seal compression release holes

90-1015

Due to expanded stud pattern, these heads will not fit on stock Evolution® engines 84cc heads are stock on 100" engines, 93cc heads are stock on 107" and 113" engines Extra parts needed: Gasket Kit For S&S® 4" Bore Heads 90-1909

Super Stock® Assembled Head Kits For 4" V-Series Engines

Finish Natural 90-1015

Description

Valve Springs

Wrinkle Black

Polished

84cc 93cc

650" lift 650" lift

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90-1009 USA 2

SUPER STOCK™ CYLINDER HEADS

Fitment • 1984–’99 big twin with 3 " or 35/8" bore (not compatible with stock or flat top pistons) Features And Benefits • Machined with a stock bolt pattern • Larger, more open combustion chamber presents less resistance to air flow around the valves • 2 000" intake valves and 1 605" exhaust valves • Special "cast to shape" intake ports with a special directional fin for improved air flow • Precision CNC machined from heat treated aircraft quality aluminum castings

90-1504

Kit Contents • Complete head assembly with valves and S&S 650" lift springs Additional Parts (Required) Super Stock® Pistons 31/2"bore..........................................page4-38 35/8"bore..........................................page4-40 GasketKit..........................................page4-35

Super Stock™ Cylinder Head Gasket Kits Bore Size Part # 31/2" 90-1905 35/8" 90-1906

Super Stock™ Assembled Head Kits For 1984–’99 Big Twins Finish Part # Natural 90-1004 Wrinkle Black 90-1504

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