Camshafts
S&S CYCLE Camshaft - Easy Start - 640 Chain Drive - Twin Cam '07-'17 | Dyna '06
Brand: S&S CYCLE
SKU: P1174065777518
$540.95
$467.45
Taxes and shipping calculated at checkout.
640 Easy Start Camshaft Kit
Fitment
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Product Details
Highlights
- Allows for easy start by initially reducing crank compression, but once the engine starts and rpm increases, the compression release lobe is centrifugally retracted and the engine runs normally, with full compression, and without any loss in performance.
- Intended for 95"/96"/103" and 110" engines with compression ratios between 10.5:1 and 11.5:1; strongest 3000 rpm - 6000 rpm range.
- Made in the USA.
- Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.
- Not for models with OEM compression releases.
- High-lift springs and adjustable pushrods required.
This 640CE Chain Drive Easy Start cam is designed to increase performance at an affordable price and Easy Start Cams allow stock starter to start any engine. Because this kit reuses many of the stock parts it is very economical. 640CE, Twin Cam/Dyna.
Specifications
| Application | Exhaust / Intake |
|---|---|
| Exhaust Close Imperial | 25 |
| Exhaust Duration Imperial | 270 |
| Exhaust Lift at TDC Imperial | 0.214" |
| Exhaust Lift Imperial | 0.640" |
| Exhaust Lobe Centerline Imperial | 110 |
| Exhaust Open Imperial | 65 |
| Grind | 640 Series |
| Intake Close Imperial | 60 |
| Intake Duration Imperial | 265 |
| Intake Lift at TDC Imperial | 0.228" |
| Intake Lift Imperial | 0.640" |
| Intake Lobe Centerline Imperial | 107.5 |
| Intake Open Imperial | 25 |
| Model | Easy Start |
| Riding Style | Street |
| Type | Chain |
| Units | Kit |
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