Manley Complete Dual Valve spring kit max lift 0.660" lift

$549.00
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Dual Valve Spring Kit

This kit will suit the majority of popular camshafts with a maximum lift of 0.660" 

This is a drop-in installation for many popular LS applications being a complete kit

Inlcudes:

  •  dual valve springs,
  •  steel retainers, 
  • locks, 
  • valve seals 
  • spring locators  

 

Retainers and spring locators are CNC-manufactured from 4140 alloy steel. The locators pilot onto the valve guides and locate the inner diameter of the inner valve springs, preventing them from abrading the spring pockets in the aluminum heads. 

Like all dual-spring retainers, these new types have a group of steps machined into their underside (which locate the upper registers of the valve springs) and a bore machined to accept the 7-degree valve locks. 

The locks are equipped with inner bead locks and the 7-degree interference angle between the locks and the retainers. This is favored by many who believe it causes the locks to clamp the valve stems tighter. 

Through careful CAD and FEA design efforts, engineers have developed a new valve spring retainer design using wear-favorable alloy steel, yet nearly matching the weight advantage of Titanium. For street/strip longevity, these lightweight alloy steel retainers are unbeatable. 

Viton steel-jacketed valve seals complete the kit. The steel jackets ensure the valve stem seals remain tight around the valve guides and also protect the seals should the inner springs come in light contact with them. The Viton material is ideal for resisting heat and oil, particularly some of the more aggressive oil additives that cause ordinary seals to swell and distort.

(020124)

SKU 020124
Brand VCM Performance
Shipping Weight 5.0000kg

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