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Ferrea Valve Springs - Audi/VW For ALL racing environments! Developed from high strength alloys Springs are heat treated and stress relieved = increase in spring's life! Provide stability needed for high lift and high RPM. Minimizes load loss for today's aggressive valvetrain combo's. "Harmonics or high frequency fatigue is present in ALL racing engines and will usually destroy the valvetrain if not controlled! Properly designed valve springs will control the dominant harmonics, provide the needed stability, and reduce valvetrain component wear." (Ferrea catalog, '03)

Audi 1.8T/VW (20 valves), 1996-'02 Audi 2.7T DOHC 30V (APB) 1998-04
Part #	Type	Inner OD	Outer Chrome Silicon	Seat Press	Open Press	Max Lift	Price/ Each	Buy Now
S10055	Single Spring - Turbo Special Alloy (Intake - 12 pieces)	21.5mm	n/a	65 lbs @ 34.5mm	145 lbs @ 24.5mm	12mm	$14.99
Valve Springs Require: 1) Ferrea Titanium Retainer #E11031 2) Ferrea Spring Seat Locator #SL1025 - Discard OEM Spring Seat Locator
S10056	Dual Spring - Turbo (Exhaust - 8 pieces)	22.75mm	29.5mm	80 lbs @ 32.5mm	180 lbs @ 22.5mm	13.5mm	$19.99
Valve Springs Require: 1) Ferrea Titanium Retainer #E11032 2) Ferrea Spring Seat Locator #SL1026 - Discard OEM Seat Locator.
VW VR6 2.8L -  DOHC 12V (AFP) 1998-'02
Part #	Type	Inner OD	Outer Chrome Silicon	Seat Press	Open Press	Max Lift	Price/ Each	Buy Now
S10062	Dual Spring Turbo Special Alloy	22.75mm	29.5mm	95 lbs @ 32mm	195 lbs @ 22mm	13mm	$18.50
Valve Springs Require: 1) Ferrea Titanium Retainer #E11039
VW VR6 2.8L -  DOHC 24V (BDF) 2002-'04
Part #	Type	Inner OD	Outer Chrome Silicon	Seat Press	Open Press	Max Lift	Price/ Each	Buy Now
S10087	Single Spring Special Alloy Endurance	23.5mm	n/a	85 lbs @ 39mm	190 lbs @ 29mm	12mm	$14.99
Valve Springs Require: 1) Ferrea Titanium Retainer #E11063