PRO/SPORT SFI Spec. #18.1 Harmonic Dampers
  Part No.   Application  Balance   Wgt.   A   B   C
  34262   Chevrolet V8 - 283-350#  Int. Only   10.15  6.61  1.52  2.38
  34263   Chevrolet V8 - 396-427  Int.   12.79  7.01  1.73  2.68
  34264   Chevrolet V8 - 454  Ext.   14.13  7.01  1.73  2.68
  34265   Chevrolet V8 - 283-350  Int.   10.14  6.61  1.52  2.38
  34266   Chevrolet V8 - 400  Ext.   11.29  6.61  1.52  2.38
  34269   Ford V8 - 289-351 Except late 5.0L(28.4 in.oz.)  Ext.   11.01  6.61  1.52  3.00
  34270   Ford V8 - 5.0L-1981 & later only(50 in.oz.)  Ext.   11.81  6.61  1.52  3.00
  34271   Ford 4.6L 2V/4V V8 '96 & Later  Int.   9.24  6.61  1.52  2.17
  34272   Ford V8 - 429-460  Int./Ext.   9.96  6.61  1.52  2.19
  34277   Chrysler V8 - 273-360  Int.   11.14  6.61  1.52  2.81
  34278   Chrysler V8 - 318-360  Ext.   11.93  6.61  1.52  2.81
  34279   Chrysler V8 - 383-440 Including Hemi*  Int.   10.80  6.61  1.52  2.22
  34303   Honda/Acura 4cyl. B-Series Engines(20% underdrive)  Int.   3.66  4.53  1.13  1.41
  34305   Ford Focus2.0L Zetec Engine (13% underdrive)  Int.   3.89  4.53  1.09  1.52
  35264   Counterweight for Chevrolet V8 - 454 (for 34263 or 34264)  -   1.32  N/A  N/A  N/A
  35266   Counterweight for Chevrolet V8 - 400 (for 34265 or 34266)  -   1.10  N/A  N/A  N/A
  35269   Counterweight for Ford SB V8 28.4 in.oz. (for 34269 or 34270)  -   1.13  N/A  N/A  N/A
  35270   Counterweight for Ford SB V8 50 in.oz. (for 34269 or 34270)  -   1.91  N/A  N/A  N/A
  35278   Counterweight for Chrysler V8-360 (for 34277 or 34278)  -   0.92  N/A  N/A  N/A
 
  Under Drive Dampers & Pulley Kits     
  32560   GM V8 25% Under Drive LS1 Camaro & Firebird. LS2 GTO  Damper only   11.07  6.14  2.53  3.88
  32561   GM V8 25% Under Drive LS1, LS2 & LS6 Corvette  Damper only   11.76  6.75  2.83  3.03
  32571   Ford 4.6L 25% Under Drive 1996-2006 2V, 3V & 4V  Damper only   7.71  6.14  2.00  2.52
  42571   Ford V8 4.6L 25% Under Drive Kit 1996-2000 2V & 4V  Kit   For More Details...  
  42671   Ford V8 4.6L 25% Under Drive Kit 2001-2004 2V & 4V  Kit   For More Details...  
  42771   Ford V8 4.6L 25% Under Drive Kit 2005-2006 3V  Kit   For More Details...  
 

CAUTION: PRO/SPORT Counterweights are not interchangeable with PRO/RACE or PRO/STREET Counterweights.

 

#34262 is NOT drilled to accept 400 Chev. counterweight #35266

 

* Fits Chrysler 440 forged crank, 361-383 “B” engine forged cranks (‘62-’70), and 413-426. Also fits Race and Street Hemi with slight TDC adjustment as detailed in instructions supplied. Will not fit 392 Hemi.

 

 
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