S&S Cycle

SUPER STOCK ® CYLINDER HEADS FITMENT • 1999–'05 big twins (2006 model year heads can be found in Section 2) FEATURES AND BENEFITS

• Stock Harley-Davidson® rocker boxes can be retained if S&S manual compression release or S&S Easy Start cams are used. Must use S&S valve cover gasket kit part #90-4120 with stock rocker covers • Stock bolt pattern heads include rocker base gaskets OPTIONS • With or with out compression release machining (Compression release machining is for S&S compression releases) • Silver powder coat or wrinkle black powder coat finish

• Heads can be decked up to .060" to increase compression • 79cc heads have 1.940" intake and 1.575" exhaust valves • 89cc heads have 2.000" intake and 1.605" exhaust valves • 91cc heads have 2.000" intake and 1.605" exhaust valves • S&S .585" or .650" lift valve springs

COMPRESSION RATIOS FOR S&S® SUPER STOCK® CYLINDER HEADS FOR 1999–'06 BIG TWINS

Configuration

88" 9.1 8.3

95"

97" Big Bore

103"

106" Stroker

110" 10.8

111"

117"

124"

79cc 89cc 91cc

9.6/10.3* 8.7/9.3*

10.3

10.2/11.1* 9.3/10.1*

10.7

– –

– –

– –

9.4

9.8

9.8 9.6

–

–

–

–

–

9.75

10.2

10.4

*S&S pop-up piston

STOCK BOLT PATTERN* S&S® SUPER STOCK® CYLINDER HEAD KITS Fitment Chamber Volume Manifold Surface

Compression Release Machining

Springs

Finish Part #



106-4277 900-0254 90-1293 900-0251 106-4270

.650" .585" .650" .585" .650" .650" .650" .650" .650" .650"

Silver

79cc



Wrinkle Black

1999–'05 bt

106-4277

 

Silver

89cc

.650" Wrinkle Black 90-1106 .585" Wrinkle Black 900-0410



-

Silver

900-4272 90-1163 900-1163

1999–'05 bt** 41/8" Bore

91cc



Wrinkle Black

Silver 900-0465 .650 Wrinkle Black 900-0470

S&S T124 Engines S&S T111 Engines

90-4120

91cc

+.032

S&S valve cover gasket kit # 90-4120 must be used with stock rocker covers. Included with Stock Bolt Pattern Super Stock® Head Kits.

91cc 900-0475 .585" Wrinkle Black 900-0480 *All stock bolt pattern Super Stock® head kits include S&S valve cover gasket kit part #90-4120 for use with stock rocker covers. DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE NATION- WIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT S&S® BOLT PATTERN S&S REPLACEMENT CYLINDER HEAD KITS FOR S&S T-SERIES ENGINES FOR 1999–'06 BIG TWINS -.064 .585" Silver

Compression Release Machining

Chamber Volume

Description

Springs

Finish Part #

106-4275

 

.650" lift .650" lift

Silver

S&S® T-Series Engines 41/8" Bore

91cc

Wrinkle Black 90-1371

ALL OTHER SPECIFICATIONS AND FINISHES ARE AVAILABLE THROUGH SPECIAL ORDER

90-1060*

*Special Order: Download the Special Order Form at sscycle.com/soforms

TOP END GASKET KITS FOR 1999–'06 BIG TWINS 37/8" & 3.927" Bore 4" Bore

S&S 41/8" Bore (Graphite)

Stock 41/8" Bore (Layered Steel)

REPLACEMENT PARTS: SEE PAGE 220

910-0465

90-1913

90-1910

90-1914

Includes a set of head and base gaskets, exhaust gaskets and o-rings.

192 Order 608-627-1497 S&S Late Models 1999–up