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$449.99
Manley 221442-16 Valve Spring Set, Set of 16
Manley 221442-16 Valve Spring Set, Set of 16

Manley 221442-16 Valve Spring Set, Set of 16

Chevy Small Block V8, Dual Spring Valve Spring Style, 1.560" Outside Diameter

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Manley 221442-16 Valve Spring Set, Set of 16
Manley 221442-16 Valve Spring Set, Set of 16
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Part # 505221442
$449.99
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Valve Spring Style:
Dual Spring
Outside Diameter:
1.560"
Maximum Lift:
.750"
Open Pressure:
660 @ 1.25
Seat Pressure:
260 @2.00
Inside Diameter:
.812"
MFG. Part #:
221442-16
Sold in Quantity:
Set
GTIN Code:
807298023953

Info

Manley's NexTek® valve springs are the latest in valve spring technology. The main benefit of the NexTek® springs is that they resist degradation of spring pressure in the later stages of a race. This is critical in oval track racing, where an engines valve train is abused for a long period of time. The spring inside diameter is chamfered for retainer clearance. The state-of-the-art winding process, thermal treatment and finishing practices cannot be duplicated, making these springs unique. The specially processed premium-grade chrome silicon is virtually free of impurities or surface irregularities, making for a high-quality, high-performance valve spring. NexTek® Series valve springs have been tested by leading engine builders and are confirmed to be the best performing valve springs on the market today!

  • Manufactured from ''super clean'' HiTensile Chrome Silicon steel
  • Shotpeened to MIL Specs for maximum fatigue life
  • Proprietary multistep heat treating minimizes load loss
  • Tightly controlled open end flatness reduces valve stem side loading
  • Tip thickness designed to eliminate overload breakage
  • No degradation of spring pressure in the later stages of a race
  • Specially processed premium-grade chrome silicon that is virtually free of impurities or surface irregularities
  • NexTek® Series valve springs have been tested by leading engine builders and are confirmed to be the best performing valve springs on the market today
Some parts are not legal for use in California or other states with similar laws/regulations

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