evo cams specs - courtesy of evolutionse.com

HKS 264:
Duration of 264 deg
Duration of 206 deg @ 1mm
Lift of 10.8mm intake / 10.2mm exhaust
Stock valve springs OK

HKS 272:
Duration of 272 deg
Duration of 214 deg @ 1mm
Lift of 10.8mm intake / 10.2mm exhaust
Stock valve springs OK

JUN 264:
Duration of 264 deg
Duration of ___ deg @ 1mm
Lift of 10.5mm
Upgraded valve springs required

JUN 272:
Duration of 272 deg
Duration of 235 deg @ 1mm
Lift of 10.8mm
Upgraded valve springs required

Tomei Poncam:
Duration of 260 deg
Duration of ___ deg @ 1mm
Lift of 10.7mm intake / 10.2mm exhaust
Stock valve springs OK

Tomei Procam:
Duration of 260 deg
Duration of ___ deg @ 1mm
Lift of 11.5mm
Upgraded valve springs required

Piper Ultimate Road cams:
Duration of 265 deg
Duration of 217 deg intake / 211 deg exhaust @ 1mm
Lift of 11.5mm intake / 10.8mm exhaust
Upgraded valve springs required

Piper Rally cams:
Duration of 265 deg
Duration of 217 deg @ 1mm
Lift of 11.5mm
Upgraded valve springs required

Piper Race cams:
Duration of 272 deg
Duration of 224 deg @ 1mm
Lift of 12.0mm
Upgraded valve springs required

If you see only one number above instead of seperate intake and exhaust values, both cams have the same spec.

If you have corrections or additions let me know and I'll update this list. We might even be able to talk a moderator into giving this thread a sticky.

Info sourced from: Piper Cams UK (all Piper cams data), JUN, TOMEI and HKS websites (all all data except duration @ 1mm) Original lift @ 1mm values for HKS 272 and JUN 272 cams pulled from www.lancerregister.com

Updates: HKS 264 intake, 264 exhaust, 272 exhaust duration @ 1mm by ob4; Correction on Tomei Poncam valve spring info by Evo Ate

Stock Evo8: Adv. Dur.-248/248 degrees Dur@.050- 200/200 degrees Lift(in)-.386"/.367" Lift(mm)- 9.80/9.32
Stock Evo9: Adv. Dur.-256/248 degrees Dur@.050- 206/200 degrees Lift(in)-.396"/.367" Lift(mm)- 10.05/9.32
Brian Crower Camshafts
BC 272's: Adv. Dur.-272/272 degrees Dur@.050- 206/206 degrees Lift(in)-.415"/.388" Lift(mm)- 10.54/9.86
BC 280's: Adv. Dur.-280/280 degrees Dur@.050- 218/216 degrees Lift(in)-.425"/.408" Lift(mm)- 10.8/10.36
BC spring pressure: Seat: 1.500" @ 95lbs / 1.000" @ 235 lbs / Coil Bind: 0.910" (no machine work required)

Wow, I didn't know my HKS i/e cams were so tame compared to the others.

GSC Discontinued Cams:
264's: Adv. Dur.-264/264 degrees Dur@.050- 194/194 degrees Lift(in)-.***"/.***" Lift(mm)- 10.64/10.64
272's: Adv. Dur.-272/272 degrees Dur@.050- 203/203 degrees Lift(in)-.***"/.***" Lift(mm)- 10.64/10.1
280's: Adv. Dur.-280/280 degrees Dur@.050- 212/209 degrees Lift(in)-.***"/.***" Lift(mm)- 10.67/10.51

Evo8 S1's: Adv. Dur.-268/268 degrees Dur@.050- ***/*** degrees Lift(in)-.***"/.***" Lift(mm)- 10.50/10.50 Center Line- 107/113 degrees
Evo8 S2's: Adv. Dur.-274/272 degrees Dur@.050- ***/*** degrees Lift(in)-.***"/.***" Lift(mm)- 11.20/11.00 Center Line- 107/113 degrees

Evo9 S1's: Adv. Dur.-268/268 degrees Dur@.050- ***/*** degrees Lift(in)-.***"/.***" Lift(mm)- 10.98/10.50 Center Line- Variable/113 degrees
Evo9 S2's: Adv. Dur.-274/272 degrees Dur@.050- ***/*** degrees Lift(in)-.***"/.***" Lift(mm)- 11.20/11.00 Center Line- Variable/115 degrees

GSC spring pressure: 78 @ 39.3 Single or Dual springs
***NOTE*** I do not know what units they use to rate their springs. This came straight from their web site.

Hello, would you know the specs for HKS 280's