Categories
Best sellers
Regular price
$779.99 USD
Regular price
$779.99 USD
$899.00 USD
Sidebar
Ask a Question
S&S Cycle 128-Inch Power Package for M8 Engines – Chain Drive with Wrinkle Black Finish (Part #310-1105B)
Regular price $3,109.95 USD
128" Power Package - Chain Drive - Wrinkle Black with Non-Highlighted Fins - 114"/117" M8 Enhance your Harley-Davidson M8 engine with the...
Lease for as low as $/week
QUESTIONS & ANSWERS
Have a Question?
Be the first to ask a question about this.
Category:
128" Power Package - Chain Drive - Wrinkle Black with Non-Highlighted Fins - 114"/117" M8
Enhance your Harley-Davidson M8 engine with the S&S Cycle 128-inch Power Package, designed for optimal performance and reliability. This kit increases engine displacement from 114 or 117 inches to 128 inches without requiring case machining, providing a significant boost in power and torque. The package includes high-quality components such as 4-1/4 inch bore cylinders paired with 11:1 forged pistons, ensuring durability under demanding conditions. The kit features a comprehensive oil pump and cam plate assembly with a striking blue anodized finish, offering improved oil flow capacity for both feed and scavenging, which helps maintain engine cleanliness and efficiency. Passage plugs are removable for easy servicing, and independent scavenging sections for the flywheel cavity and camchest optimize oil circulation. A magnet in the camchest aids in debris prevention, further protecting vital engine parts.
Features:
- Big bore bolt-on kit increases displacement from 114 or 117 inches to 128 inches with no case machining required
- Includes 4-1/4 inch bore cylinders with 11:1 forged pistons for durability and performance
- Oil pump and cam plate with blue anodized finish, featuring removable passage plugs and independent scavenging sections
- Enhanced oil flow capacity on both feed and scavenge sides for improved engine cooling and longevity
- Adjustable pressure relief valve allows tuning while installed in the engine
- Quikee chrome pushrods with matching pushrod tubes for reliable valvetrain operation
- Premium S&S tappets and black-coated, hard-anodized tappet cuffs for high-lift, high-rpm stability
- S&S 550 cams designed specifically for big bore applications to maximize power output
- Valve springs compatible with cams up to .605" lift, featuring a high-performance conical single-wire design
- Chain drive configuration with a wrinkle black finish and non-highlighted fins for a sleek appearance and durability
Related Products
