S&S CYCLE - 330-0730 - Camshaft Kit - 590C - Chain Drive - M8

The S&S CYCLE 330-0730 is a 590 chain combining performance-oriented metallurgy with a weight-optimized design that keeps rotating mass low. All-out horsepower cam for 124” and larger engines. Designed specifically for use with monster bores and ported heads (not recommended for stock bore engines), ensuring strong pin retention. Kits include all required bearings, o-rings and hardware, and touring models require heavy duty valve spring kit give this chain the internal toughness to resist constant flex and impact loads. Requires Quikee adjustable pushrods with cover keepers. Whether running a practice bike, race machine, or trail bike, the 330-0730 delivers consistent performance. Sold as a complete kit.

Features

• All-out horsepower cam for 124” and larger engines
• Designed specifically for use with monster bores and ported heads (not recommended for stock bore engines)
• Kits include all required bearings, o-rings and hardware
• Touring models require heavy duty valve spring kit
• Requires Quikee adjustable pushrods with cover keepers
• Tappets should be replaced every time that the cam is replaced, S&S suggest Precision Tappet set without HL2T Kit and Tappet Cuffs for M8 models.
• Made in the USA

Specs

• Exhaust Duration: 266.1° Front, 258.4° Rear
• Exhaust Lift at TDC: 0.186” Front, 0.158” Rear
• Intake Duration: 239.4° Front, 253.9° Rear
• Type: Chain
• Exhaust Lobe Centerline: 111.7° Front, 113.5° Rear
• Exhaust Close: 21.2° Front, 15.7° Rear
• Intake Lobe Centerline: 104.1° Front, 106.7° Rear
• Product Name: Camshaft Kit
• Color/Finish: Raw
• Intake Lift: 0.59” Front, 0.59” Rear
• Intake Close: 43.7° Front, 53.6° Rear
• Model: Big Bore Max HP
• Riding Style: Street
• Application: Exhaust
• Exhaust Lift: 0.59” Front, 0.59” Rear
• Exhaust Open: 64.8° Front, 62.7° Rear
• Intake Lift at TDC: 0.165” Front, 0.186” Rear
• Application: Intake
• Grind: 590 Series
• Intake Open: 15.6° Front, 20.2° Rear
• Units: Kit