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Ford Duratec 2.0 & 2.3 16v Supertech Dual Spring & Retainer Kit  438.58 
Ex Tax of 20% 

Overview

Valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms and better memory.
Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions.Computer software also allows us to make sure that the harmonics arewell under control.
The Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.

Specification

 

Part Number

SPRK-TS/DUR-D1

SPRK-TS/DUR-D2 SPRK-TS/DUR-DS
Engine Type Ford 2.0 & 2.3 Duratec Ford 2.0 & 2.3 Duratec Ford 2.0 & 2.3 Duratec
Outer Spring Diameter

27.5mm OD
20mm ID

27.5mm OD
20mm ID
27.50mm OD
20mm ID
Inner Spring Diameter

20mm OD
15.2mm ID

20mm OD
15.2mm ID
SINGLE
Spring Pressures (lbs@mm)

Seat - 83 @ 35
Open - 208 @ 10

Seat - 70 @ 36.2
Open - 190 @ 10
Seat - 55 @ 35
Open - 150 @ 10

Spring Coil Bind

20.7mm 20.7mm 20.7mm
Spring Max Net Lift

14.3mm

15.2mm 14.3mm
Spring Rate lbs/mm

12.1mm

12.1mm 12.10mm
Kit Includes:
  • Springs
  • *Use OE Seats*
  • Titanium Retainers
  • Springs
  • *Use OE Seats*
  • Titanium Retainers
  • Springs
  • *Use OE Seats*
  • Titanium Retainers

 

Available Options:
Duratec spring options:
SPRK-TS/DUR-D1 (+50.00) 
SPRK-TS/DUR-D2 (+50.00) 
SPRK-TS/DUR-DS 
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