S&S Cycle

2007–2017 big twins

B2 HEADS WITH STOCK BOLT PATTERN Kits do not include gaskets, hardware, or intake and exhaust flanges. These parts must be purchased separately.

Milwaukee-Eight ®

FITMENT • 1999–'17 big twin engines (except 2017 touring models) 41/8" bore, stock bolt pattern (in stock, off-the-shelf*) *S&S only stocks the late model 41/8" bore versions as off-the-shelf items, but heads for other applications and individual front of rear replacement heads are available by special order. • 1999–'17 big twin engines ( except 2017 touring models) 41/8" bore and larger with S&S or other bolt pattern (special order only) • 1984–’99 big twin engines 41/8" bore and larger (special order only) • Not compatible with Twin-Cooled™ models FEATURES AND BENEFITS • 106cc combustion chambers • Oval intake ports bolt up to S&S Throttle Hog 70mm throttle bodies (2008–up touring applications only) • Stock style breather system—compatible with stock and aftermarket air cleaners • Large 2.200" intake and 1.800" exhaust valves • .660" lift S&S valve springs with titanium top collars • Machined for stock sensors—EFI ready • Available inWrinkle Black or Silver powder coat • OPTIONS BY SPECIAL ORDER • CNC ported intake and exhaust ports—more air, more power! • Two-bolt exhaust flanges—Can accommodate stock exhaust headers, existing 2" headers, or build your own 2" exhaust system • Machined for 2008-later bagger front motor mount • Select heads for 1984–’99 or 1999–'17 big twin style, or 1986–‘03 XL • 41/8" to 43/8" bore sizes • Stock 1999–'17, S&S, or other cylinder stud patterns—other patterns subject to approval

96 ™ /103 ™ /110 ™

2007–2017 Twin Cam

900-0458

1999–2006 Twin Cam 88 ®

B2 HEADS WITH STOCK BOLT PATTERN Finish

Part #

900-0450

Silver Powder Coat

Wrinkle Black Powder Coat 900-0458 *Head Kits include valves and valve springs. Head sets w/o valves or springs individual front or rear heads are available by special order. Special Order B2 Cylinder Heads 106-6385* *Download the Special Order Form at sscycle.com/soforms

Sportster ® & Buell ® Indian ® Models Street Rod ™

1986–2019

2014–2019 Street ® &

ADDITIONAL PARTS REQUIRED

Product Description

Part #

92-1580 92-1581 93-5106 93-5098

Standard

Special 41/8" Bore Pistons & Ring Set

+.010"

• Machined with or without S&S electric compression release • Choose from a variety of pushrod geometry machining styles • Choose from a variety of different chamber sizes • Individual front of rear heads available by special order

For 124" engines

Special Length Pushrods (+.250") Intake Manifold Flange Kits

Stock height engines

16-0250

All B2 heads

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

REPLACEMENT PARTS: PAGE 127

Tools & Shop Supplies

Warranty & Company Policy

Index

Appendix &

Heads are .230" taller than stock—requires special pushrods and/or frame clearancing or motor mount modifications Exhaust pipe adaptor kits and other parts must be purchased separately. See "Additional Parts Required" chart, above. 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

101