World's Largest Aftermarket Motorcycle Parts and Accessories Superstore!


S&S Cycle KN420 Camshaft

Manufacturer Part Number 106-2409

Select your motorcycle to guarantee fitment! Select A Motorcycle

  • S&S Cycle KN420 Camshaft
Product may vary from photo(s).


The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info Add to Cart to View Gold Club Price

Free Ground Shipping

Shipping & Delivery

Checking availability...

– Order in the next to ship today

[+] Retail Store Inventory

J&P Part: 975-456

Description for S&S Cycle KN420 Camshaft 

S&S Cycle KN420 Camshaft

• This "high-lift" cam for modified knuckle engines features .420" valve lift and increased duration for larger engines up to 93" and compression ratio of up to 8.5:1.

• Special high-lift valve springs are required.

• Cam opening/closing: Intake 31°/55°; Exhaust 60°/30°

• Cam duration: Intake 266°; Exhaust 270°

• Lode centerline: Intake 102°; Exhaust 110°

• Max Valve Lift: Intake .420"; Exhaust .420"

• Valve lift @ TDC: Intake .167"; Exhaust .152"

Made In The USA This product was proudly made in the USA

Product Specs

Centerline Exhaust: 102

Centerline Intake: 110

Duration Exhaust @ .053: 270

Duration Intake @ .053: 266

Grind: KN420

Lift: .420"

Lift @ Top Dead Center Exhaust: .152"

Lift @ Top Dead Center Intake: .167"

Manufacturer Part Number: 106-2409

Sold in Units: Each

Spring Rate: High Lift Springs Required

Timing: 31/55 Intake; 60/30 Exhaust

Free Tech
120 Day

Select Your Motorcycle

Live Help

Get Help From Our Industry Experts

Call Us
7 a.m.–9 p.m. CST (Monday-Friday)
8 a.m.–6 p.m. CST (Saturday-Sunday)


Help / FAQs