S&S Cycle

98" BIG BORE KITS

FITMENT • 1999–2006 big twin FEATURES AND BENEFITS • 3.937" bore • Cylinder and piston kits make going to larger bore sizes easy— no machining required • Stock engine height is maintained • 11 fin cylinder design closely resembles OEM shape and come prefinished— ready to install • Increased fin area for better heat dissipation • Centrifugal cast, gray iron liner features 40,000 psi tensile strength— superior wear and performance • CP Pistons are recognized as industry leaders, and provide exceptional wear, performance and noise characteristics

KIT CONTENTS • S&S cylinders with gaskets • Piston set with rings, wristpins and wristpin clips

S&S® 98" BIG BORE KIT SPECIFICATION CHART

COMPRESSION RATIO (with provided .045" head gasket)

Cylinder Length

Forged Piston Type

Displacement

Stroke

Bore

83cc CNC Ported Stock Heads

85cc Stock Heads

89cc S&S Heads

98"

4"

3.937"

4.937"

10cc Dome

10.6:1

10.4:1

9.9:1

Cylinder w/piston kits include pistons and cylinders that require no boring or honing.

Not for use with S&S 79cc Cylinder Heads NOTES

98" BIG BORE KITS Cylinder Finish

Part #

910-0482

Silver powder coat

Wrinkle Black powder coat 910-0481 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE NATIONWIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT

910-0481

97" BIG BORE KITS

FITMENT • 1999–'06 big twins FEATURES AND BENEFITS • No case machining required

OPTIONS • Oversize pistons available—see page 178 KIT CONTENTS • S&S cylinders with gaskets • Piston set with rings

• Bolt-on 9 to 10 cubic inches—cylinders do not require crankcase machining to install • Piston weight for 97" kits are the same as stock, requiring no flywheel rebalancing • Forged coated pistons are compatible with stock or S&S Super Stock® 79cc & 89cc heads • Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams • Maintains stock engine height • 11 fins and full fin pattern on cam side closely resembles OEM shape

S&S® 97" BIG BORE KITS SPECIFICATION CHART

Compression Ratio 83cc CNC Ported Stock Heads

Cylinder Length

Forged Piston Type

Displacement

Stroke Bore

79cc S&S Heads

85cc Stock Heads

89cc S&S Heads

97"

4"

3.927"

4.937"

3cc Dome

10.3:1

9.9:1

9.7:1

9.3:1

Cylinder w/piston kits include fitted pistons and cylinders that require no boring or honing.

97" BIG BORE KITS Cylinder Finish

Part #

S&S® highly recommends installing a performance cam for easier starting and better engine performance. S&S high flow cylinder heads will provide further horsepower gains. For an additional .2 bump in compression, order .030" thick head gaskets #900-0605 (2 pack). Remember to check your clearances. These kits require tuning.

910-0201

Silver powder coat

Wrinkle Black powder coat 910-0205 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE NATIONWIDE ON ANY FEDERAL POLLUTION CONTROLLED MOTOR VEHICLE UNDER THE CLEAN AIR ACT

NOTES

910-0205

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