S&S 129" M8 POWER PACKAGE FOR 107" OIL COOLED MODELS
by S&S
Original price
$3,359.99
-
Original price
$3,559.99
Original price
$3,359.99
-
Original price
$3,559.99
Original price
$3,359.99
-
$3,559.99
$3,359.99
-
$3,559.99
Current price
$3,359.99
107" to 129" Big Bore Kit:
- Available With or Without Fin Highlighting
- Bolt-On Kit — No Case Machining Required
- 4.320" Bore
- Forged Pistons
- 11.1 Compression Ratio
Oil Pump/Cam Plate:
- Precision Machined from Billet Aluminum
- Independent Scavenge Sections for Flywheel Cavity & Cam Chest
- Debris Screens in Both Scavenge Pickups
- Magnet in Cam Chest to Help to Stop Debris from Entering Oil Pump
- 44% Flow Increase on Supply Side & 58% Flow Increase on Scavenge Side
- Pressure Relief Valve is Adjustable with Unit Installed in Engine
- Kits Now Include Updated Oil Pump with Groove for Optional OEM Oil Seal
Pushrods:
- Quickee Pushrods
- Chrome or Black Pushrod Tubes Available
Tappets:
- Hand Assembled to Exacting Tolerances
- Reduced Valve Train Noise from Start Up to Shut Down
- Close Tolerances for Low Leak Down Rates
- Fast Pump Up and Superior High RPM Performance
Tappet Cuffs:
- Hard Anodized Black Coating
- Billet Aluminum Construction
- Improve Tappet Stability in High Lift & High RPM Situations
Cam:
- S&S 550 Cam- Designed for Big Bore Applications
- Available in Both Gear Drive & Chain Drive Variations
- Gear Drive Kits Provide Improved Cam Timing Accuracy
- Gear Drive Kits Include Outer Drive Gears
Valve Springs:
- High Performance Conical Single Wire Spring
- Includes Top Collars, Keepers, & Valve Seals/Bottom Collars
Cam Chain Tensioner:
- Comes with Chain Drive Kits
- Precision Machined from Billet Aluminum
- Thicker Shoe for Longer Wear
- Direct Chain Oiling
- Larger Piston for More Consistent Pressure
- Tighter Tolerances Improves Stability
NOTES
Recommends S&S Cycle Head Bolts for M8, part number 900-1006
Fitment:
- 17-23 M8 Oil cooled models (Except 23 CVO VVT models)