SECTION 1: 2007-2012 BIG TWINS - S&S Cycle
SECTION 1: 2007-2012 BIG TWINS - S&S Cycle
SECTION 1: 2007-2012 BIG TWINS - S&S Cycle
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<strong>2007</strong>-<strong>2012</strong> <strong>BIG</strong> <strong>TWINS</strong><br />
S&S ®<br />
3.927" BORE REPLACEMENT CYLINDERS AND PISTONS<br />
Superior materials, thicker casting in critical areas and bigger cooling fins are what make S&S<br />
cylinders the best! Improved cooling and strength combined with excellent wear resistance will<br />
maintain horsepower and reliability for years to come. Replacement cylinders for S&S 97" and<br />
106" top end kits.<br />
FITMENT<br />
• S&S 106" top end kit for <strong>2007</strong>-’12 models<br />
106-3765<br />
PERFORMANCE<br />
PARTS<br />
Parts for<br />
Twin Cam 96 /103 <br />
<strong>2007</strong>-<strong>2012</strong><br />
Parts for<br />
Twin Cam 88 ®<br />
1999-2006<br />
FEATURES AND BENEFITS<br />
• Piston weight for 106" kits are the same as stock, requiring no flywheel rebalancing<br />
• S&S 3.927" bore cylinders require no crankcase machining to install<br />
• Forged, coated pistons and S&S cylinders are compatible with stock or<br />
S&S Super Stock® 89cc heads<br />
• Valve pocket recesses in S&S pistons are enlarged for oversize valves and higher lift cams<br />
• Pistons compatible with tapered or standard rods<br />
106-3714<br />
Parts for<br />
Evolution ®<br />
1984-1999<br />
Parts for<br />
Sportster ® & Buell ®<br />
1986-<strong>2012</strong><br />
OPTIONS<br />
• Silver or wrinkle black powdercoat finish<br />
106-3690<br />
Parts for<br />
Vintage Engines<br />
1926-1984<br />
Special Order OPTIONS<br />
• Natural, diamond cut, polished and full polished<br />
106-3709A<br />
Parts for<br />
X-Wedge®<br />
<strong>2007</strong>-<strong>2012</strong><br />
S&S® 3.927" BORE CYLINDERS for 97" & 106" Top end kits<br />
Compression Ratio<br />
Cylinder Only (Front or Rear)<br />
Displacement Stroke Cylinder Length<br />
Stock Heads 89cc S&S Heads Silver Black<br />
106" 43/8" 4.937" 10:1 9.7:1 106-3765 106-3767<br />
Special Order – – – – 91-7506*<br />
Since front and rear cylinders are interchangeable they are not sold in pairs.<br />
* Special Order: Download the Special Order Form at sscycle.com/soforms<br />
Parts for<br />
Victory®, Off-road<br />
& Metric<br />
Racing<br />
Products<br />
S&S® 3.927" BORE PISTONS 97" & 106" Top end kits<br />
Forged Piston Kits<br />
Rings, chromoly faced<br />
Displacement<br />
Piston Type Deck Height Stroke Standard +.010" Standard +.010"<br />
106" Flat top 1.083" 43/8" 106-3690 106-4416 106-3709A 106-4422A<br />
Tools & Shop<br />
Supplies<br />
Piston kits include set of pistons, rings, wristpins, and clips<br />
Wristpin<br />
.927" x 2.825". ........................................ 106-1052<br />
Keeper .927"<br />
Each .......................................... TÜV 7 94-9278-S<br />
2 pack......................................... TÜV 7 94-9278-2<br />
4 pack..........................................<br />
TÜV 7 106-2304<br />
GASKETS<br />
Description S&S Part No. H-D® Part No.<br />
MLS Head Gasket, .045" (each) 106-3714<br />
MLS Head Gasket, .030" (2 pack) 900-0216<br />
Base O-ring 50-8048 (H-D® #11256)<br />
Gasket Kit<br />
(includes head, base, & exhaust gaskets and o-rings)<br />
106-3763<br />
Dealer Services<br />
& Promo Items<br />
Warranty &<br />
Company Policy<br />
NOTEs:<br />
• S&S 3.927" pistons are machined to such close tolerances that it is not necessary to measure the piston. Additionally, the low friction coating on the piston skirt makes taking<br />
measurements very difficult. Therefore, hone cylinders to nominal diameter +/- 0.0005" for correct clearance.<br />
• All reference to H-D® part numbers is for identification purposes only. We in no way are implying that any of S&S <strong>Cycle</strong>’s products are original equipment parts or that they are<br />
equivalent to the corresponding H-D® part number shown.<br />
OEM Cross Reference<br />
Appendix & Index<br />
Visit us at www.sscycle.com<br />
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