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Spec SO60S billet steel flywheel for Volvo S60R V70R 2.5T 6MT
Close-up of CNC-machined 1045 steel and stepped clutch surface
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Spec 05-06 Volvo S40 T5 2.5L / 04-07 S60R 2.5L Steel Flywheel

SPEC
SPECSO60S
Flywheels
Out of stock
$ 639.00 $ 575.10

SKU: SO60S

Spec Billet Steel Flywheel – 2004-2007 Volvo S60R & V70R / 2005-2006 S40 T5 2.5L 6MT

The Spec SO60S is the #1 selling billet steel flywheel for the rare 6-speed Volvo P2-platform 2.5T engines. Precision CNC-machined from certified 1045 billet steel, SFI 1.1 approved, and perfectly balanced to replace the weak factory dual-mass flywheel. Drops rotational mass by ~10 lbs, dramatically improves throttle response, and eliminates DMF rattle – the ultimate upgrade for any manual S60R, V70R, or S40 T5.

Key Features

  • SFI 1.1 Certified – meets or exceeds all racing sanctioning body requirements
  • ≈ 10 lb Weight Reduction vs factory dual-mass flywheel
  • 1045 Billet Steel – one-piece design, zero failure points
  • Step Height & Ring Gear Machined – perfect clutch mating surface
  • Made in the USA – lifetime warranty against defects

Specifications

Specification Detail
Part Number SO60S
Material 1045 billet steel (one-piece)
Weight ≈ 22 lbs (10 lb lighter than OEM DMF)
Design Flat flywheel (stepped for clutch)
SFI Rating SFI 1.1 approved
Country of Origin United States
Warranty Lifetime against defects

Product Notes

  • Fits 2004–2007 Volvo S60R / V70R 6MT and 2005–2006 S40 T5 6MT (2.5L turbo)
  • Replaces factory dual-mass flywheel (DMF)

Installation Notes

  • Transmission removal required – professional install recommended
  • Use with any Stage 1–3+ clutch kit (Spec recommends SV601-2 or SV603H)
  • New flywheel bolts required (ARP or OEM recommended)

This Part Fits

Year Make Model Engine / Trans
2004–2007 Volvo S60R / V70R 2.5T 6MT
2005–2006 Volvo S40 T5 2.5T 6MT

Why Choose Spec Flywheels?

  • America’s #1 performance flywheel manufacturer
  • Every flywheel machined and balanced in Bessemer, Alabama
  • Trusted by every high-horsepower Volvo R build

Frequently Asked Questions

  • Q: Will I get more engine vibration?
    A: Slight increase at idle is normal when removing DMF – most owners love the mechanical feel.
  • Q: Can I keep the factory clutch?
    A: Not recommended – upgrade to a Spec Stage 1 or 2+ kit.
  • Q: Is it SFI approved?
    A: Yes, SFI 1.1 certified for racing.

Shipping & Handling

  • Method: UPS/FedEx Ground
  • Availability: In stock – ships same or next business day
  • Packaging: Official Spec heavy-duty box

Request For Information

Have questions about Spec 05-06 Volvo S40 T5 2.5L / 04-07 S60R 2.5L Steel Flywheel? Fill out the form below and we'll get back to you by the next business day.
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