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Cast Iron "Must Ream" Guides   AMPCO  "Must Ream" Guides
Twin Cam 05 up and XL '04 up with 7mm Stem 

Cast Iron Guides

  Twin Cam 05 up and XL '04 up with 7mm Stem

 Bronze  Guides

Intake Size Exhaust   Intake Size Exhaust
87380 Std 87390   87850 Std 87855
87381 +001 87391   87851 +001 87856
87382 +002 87392   87852 +002 87857
87389 +010 87399   87853 +004 87858
    87854 +010 87859
 
Twin Cam 1999-04 with 5/16 Stem

 Evolution 80"  1984-99 'Shouldered' Cast Guides

  Twin Cam 1999-04 with 5/16 Stem

 Evolution 80"   1984-99 'Shouldered' Bronze Guides

Intake Size Exhaust   Intake Size Exhaust
86780 Std 86790   86760 Std 86770
86781 +001 86791   86761 +001 86771
86782 +002 86792   86762 +002 86772
86783 +003 86793   86763 +003 86773
86784 +004 86794   86764 +004 86774
 
Evolution 80"  1984-99 Combo Intake/Exhaust Cast Guides   Evolution 80"  1984-99 Combo Intake/Exhaust Bronze Guides
Intake Size Exhaust   Intake Size Exhaust
87260 Std 87260   87020 Std 87020
87261 +001 87261   87021 +001 87021
87262 +002 87262   87022 +002 87022
87263 +003 87263   87023 +003 87023
87264 +004 87264   87024 +004 87024
87268 +010 87268   87025 +005 87025
    87026 +006 87026
  87028 +010 87028
 
80" Shovelhead 1978-84 Cast Guides   80" Shovelhead 1978-84 Bronze Guides
Intake Size Exhaust   Intake Size Exhaust
87240 Std 87250   87000 Std 87010
87241 +001 87251   87001 +001 87011
87242 +002 87252   87002 +002 87012
87243 +003 87253   87003 +003 87013
87244 +004 87254   87004 +004 87014
87245 +005 87255   87005 +005 87015
87246 +006 87256   87006 +006 87016
87247 +008 87257   87007 +008 87017
87248 +010 87258   87008 +010 87018
87249 +025 87259   87009 +025 87019
 
74" Shovelhead 1948-78 Cast Guides   74" Shovelhead 1948-78 Bronze Guides
Intake Size Exhaust   Intake Size Exhaust
87220 Std 87230   86980 Std 86990
87221 +001 87231   86981 +001 86991
87222 +002 87232   86982 +002 86992
87223 +003 87233   86983 +003 86993
87224 +004 87234   86984 +004 86994
87225 +005 87235   86985 +005 86995
87226 +006 87236   86986 +006 86996
87227 +008 87237   86987 +008 86997
87228 +010 87238   86988 +010 86998
87229 +025 87239   86989 +025 86999
 
Knucklehead 1936-74 Intake/Exhaust Combination Cast Guides   Note: Please See Below for More Specialty Guides
Intake Size Exhaust  
87520 Std 87520  
87521 +002 87521  
87522 +004 87522  
87523 +006 87523  
87524 +008 87524  
87525 +025 87525  
 
Sportster 1957-83 Cast Guides   Sportster 1957-83 Bronze Guides
Intake Size Exhaust   Intake Size Exhaust
87360 Std 87370   86800 Std 86810
87361 +001 87371   86801 +001 86811
87362 +002 87372   86802 +002 86812
87363 +003 87373   86803 +003 86813
    86806 +010 86816