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S&S 129" M8 POWER PACKAGE FOR 107" OIL COOLED MODELS

by S&S
Sale Sale
Original price $3,359.99
Original price $3,359.99 - Original price $3,559.99
Original price $3,359.99
Current price $2,799.99
$2,799.99 - $2,899.99
Current price $2,799.99
SAVE OVER $400-500 DURING THE WINTER POWER PACK SALE!
ENDS FEBRUARY 29TH! (NO CODE NEEDED)

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)