Cylinder Barrel, Pistons & Fittings
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Order Number Description Commando Dominator Lightweight Twins Singles Price

067921A BARREL - CYLINDER - 600/650 - ALLOY - COMPLETE WITH FIXING KIT - 1958 ONWARD - D - - 875.00
061705A BARREL - CYLINDER - 750 - ALLOY - COMPLETE WITH FIXING KIT C D - - 875.00
061705   BARREL - CYLINDER - 750 - BUT WITH THROUGH BOLTS AS PER 850 C D - - 580.00
065074A BARREL - CYLINDER - 850 - ALLOY - COMPLETE WITH FIXING KIT C - - - TBA
069209   BIG BORE KIT - 920CC FOR 850 - EXCHANGE - NORVIL C - - - 475.76
063085 BOLT - 850 THROUGH BARREL - ALLEN - FOUR REQUIRED C - - - 6.10
004102 BUSH - SMALL END - ES2, MODEL 50, 16H & BIG4 - - - S 13.42
012100 BUSH - SMALL END - FITS 250, 350, 400, 500 & 600 - D L - 7.54
067820 CAM FOLLOWERS - PAIR - TWO PAIRS REQUIRED - STANDARD SIZE C D - - 80.18
067820020 CAM FOLLOWERS - PAIR - TWO PAIRS REQUIRED - 0.020" OVERSIZE C D - - 80.18
22549 CIRCLIP - PISTON - ES2/50/18/19S/16H/BIG4 ( A2/164 ) - - - S 1.55
069216C CIRCLIP - PISTON - 920CC - EACH - FOR 13/16" PIN - NORVIL C - - - 1.18
069216D CIRCLIP - PISTON - 920CC - EACH - FOR 20MM PIN - NORVIL C - - - 1.18
067106 CIRCLIP - PISTON - FITS ALL GPM PISTONS - WIRE TYPE C D L - 0.33
067834 CIRCLIP - PISTON - FITS ALL HEPOLITE PISTONS - SEAGER TYPE C D L - 0.23
062222 FIXING KIT - HEAD TO BARREL - DOMINATOR - D - - 57.54
062222SS FIXING KIT - HEAD TO BARREL - DOMINATOR - D - - 67.49
063333 FIXING KIT - HEAD TO BARREL - ATLAS BEFORE 122437 - D - - 56.66
063333SS FIXING KIT - HEAD TO BARREL - ATLAS BEFORE 122437 - D - - 68.27
067097 FIXING KIT - HEAD TO BARREL - ATLAS 122437 ONWARD & COMMANDO C D - - 58.52
067097SS FIXING KIT - HEAD TO BARREL - ATLAS 122437 ONWARD & COMMANDO C D - - 68.27
100023 LINER - CYLINDER - 18/ES2/16H ETC - 79MM BORE WHEN MACHINED - - - S 38.50
017880 LINER - CYLINDER - 500 TWIN - SPUN CAST - COMPLETE WITH SPIGOT - D - - 36.78
032000 LINER - CYLINDER - 600 & 650 - SPUN CAST - COMPLETE WITH SPIGOT - D - - 41.84
049890 LINER - CYLINDER - 750 - SPUN CAST C D - - 41.84
049860 LINER - CYLINDER - 850 - SPUN CAST C - - - 41.84
069210 LINER - CYLINDER - 920 - SPUN CAST - NORVIL C - - - 49.64
067572SS NUT - CYLINDER BASE - 5/16" CYCLE - TWO REQUIRED PRE 200000 & LIGHTWEIGHT HEADS C D L - 1.93
063825SS NUT - CYLINDER BASE - 5/16" UNF - 750 x 2 - 850 x 4 - 1972 ONWARDS C - - - 1.93
067572 NUT - CYLINDER BASE - 5/16" CYCLE C D - - 1.18
062650 NUT - CYLINDER BASE - 5/16" UNF - FITS 062640 STUD C - - - 2.06
063825 NUT - CYLINDER BASE - 5/16" UNF - FITS 063824 STUD C - - - 2.68
067528 NUT - CYLINDER BASE - DOMINATOR & EARLY COMMANDO C D - - 1.47
067528SS NUT - CYLINDER BASE - 3/8" CYCLE - SEVEN REQUIRED 500CC - 1965 - D - - 1.93
062651SS NUT - CYLINDER BASE - 3/8" UNF - ONE REQUIRED - 1972 ONWARDS - SHORT C - - - 1.90
062652SS NUT - CYLINDER BASE - 3/8" UNF - 750 x 6 - 850 x 1 - 1972 ONWARDS - LONG C - - - 1.93
062651 NUT - CYLINDER BASE - 3/8" UNF - AT FRONT CENTRE C - - - 2.06
062652 NUT - CYLINDER BASE - 3/8" UNF - SIX REQUIRED C - - - 3.36
069258SS NUT - CYLINDER BASE - SET OF NINE - 500, 600 & 650 - CYCLE - D - - 18.67
069257SS NUT - CYLINDER BASE - SET OF NINE - ALL 750 PRE 200000 - CYCLE C D - - 18.67
069256SS NUT - CYLINDER BASE - SET OF NINE - ALL 750 200000 ONWARD - UNF C - - - 18.67
069259SS NUT - CYLINDER BASE - SET OF FIVE - ALL 850 - UNF C - - - 8.48
069258 NUT SET - 500/600/650 DOMINATOR MODELS - D - - 13.78
067105 PIN - GUDGEON - (WRIST) - 750 PISTON - EACH C D - - 7.91
063842 PIN - GUDGEON - (WRIST) - 850 PISTON - EACH C - - - 7.91
PISTONS - CLICK HERE          
069208 PISTON/LINER KIT - 920CC (2+2 ALL 850) - NORVIL C - - - 318.78
063092 PLATE - CAM FOLLOWER LOCK - SHORT - TWO REQUIRED C D - - 5.90
067171 PLATE - COMPRESSION - STEEL - 0.75MM THICK - 500 & 650 - NORVIL - D - - 8.10
066591 PLATE - COMPRESSION - STEEL - 0.75MM THICK - 750, 850 & 920 - NORVIL C D - - 8.10
21976C RING - PISTON - 920 COMPRESSION - PISTONS WITH 13/16" PINS C - - - 5.25
  RING SET - CLICK HERE          
067560 SCREW - CAM FOLLOWER LOCK PLATE - FOUR REQUIRED C D - - 3.72
062639 STUD - 3/8" UNC/UNF - BASE - 3/8" UNF C - - - 1.61
062639SS STUD - 3/8" - UNC BASE - 3/8" UNF TOP C - - - 3.02
062641SS STUD - 3/8" - UNC BASE - 3/8" UNF TOP C - - - 3.02
062640SS STUD - 3/8" - UNC BASE - 5/16" UNF TOP C - - - 4.60
067530SS STUD - 3/8" - WHIT BASE - 3/8" CYCLE THREAD C D - - 3.75
067871SS STUD - 3/8" - WHIT BASE - 3/8" CYCLE TOP C D - - 4.60
067571SS STUD - 3/8" - WHIT BASE - 5/16" CYCLE TOP C D - - 4.60
067871 STUD - CYLINDER BASE C D - - 1.52
063824 STUD - CYLINDER BASE - STEPPED 5/16" UNF C - - - 2.15
067530 STUD - CYLINDER BASE - 500, 600 & 650 - 3/8" CYCLE - D - - 2.05
067571 STUD - CYLINDER BASE - STEPPED 5/16" CYCLE C D - - 1.66
063824SS STUD - CYLINDER BASE - STEPPED 5/16" UNF C - - - 3.15
067726 STUD - CYLINDER BASE - PRE 200000 - 3/8" CYCLE - AT FRONT C D - - 1.24
062641 STUD - FRONT - 3/8" UNF C - - - 1.43
062640 STUD - STEPPED 5/16" UNF C - - - 1.69
069158 STUD SET - CYLINDER BASE - 500, 600 & 650 - SET OF 9 - PLATED - D - - 22.07
069158SS STUD SET - CYLINDER BASE - 500, 600 & 650 - SET OF 9 - D - - 36.08
069157 STUD SET - CYLINDER BASE - ALL 750 PRE TO 200000 - SET OF 9 - PLATED C D - - 22.31
069157SS STUD SET - CYLINDER BASE - ALL 750 PRE TO 200000 - SET OF 9 C D - - 36.08
069156 STUD SET - CYLINDER BASE - ALL 750 200000 ONWARD - SET OF 9 - PLATED C - - - 20.63
069156SS STUD SET - CYLINDER BASE - ALL 750 200000 ONWARD - SET OF 9 C - - - 36.08
062639A STUD SET - CYLINDER BASE - ALL 850 300000 ONWARD - SET OF 5 - PLATED C - - - 14.40
062639ASS STUD SET - CYLINDER BASE - ALL 850 300000 ONWARD - SET OF 5 C - - - 24.45
067010 TOP END FITTING KIT - FITS MODEL 7 & 88 - PRE 1956 - IRON HEAD MODELS - D - - 134.17
067010SS TOP END FITTING KIT - FITS MODEL 7 & 88 - PRE 1956 - IRON HEAD MODELS - STAINLESS STEEL - D - - 165.11
065011 TOP END FITTING KIT - FITS 500, 600 & 650 - ALL HEAD & BARREL - D - - 134.17
065011SS TOP END FITTING KIT - FITS 500, 600 & 650 - ALL HEAD & BARREL - STAINLESS STEEL - D - - 165.11
067011 TOP END FITTING KIT - FITS 750 ATLAS ENGINE NUMBER 101000 TO 122435 - D - - 134.17
067011SS TOP END FITTING KIT - FITS 750 ATLAS ENGINE NUMBER 101000 TO 122435 - STAINLESS STEEL - D - - 165.11
067012 TOP END FITTING KIT - FITS 750 ENGINE NUMBER 122436 TO 200000 C - - - 134.17
067012SS TOP END FITTING KIT - FITS 750 ENGINE NUMBER 122436 TO 200000 - STAINLESS STEEL C - - - 165.11
067013 TOP END FITTING KIT - FITS 750 ENGINE NUMBER 200000 ONWARD C - - - 134.17
067013SS TOP END FITTING KIT - FITS 750 ENGINE NUMBER 200000 ONWARD - STAINLESS STEEL C - - - 165.11
069011 TOP END FITTING KIT - FITS 850CC ENGINE NUMBER 300000 ONWARD C - - - 134.17
069011SS TOP END FITTING KIT - FITS 850CC ENGINE NUMBER 300000 ONWARD - STAINLESS STEEL C - - - 165.11
069991SS WASHER - BARREL 3/8 - FOR ALLOY BARREL C D - - 1.93
063857 WASHER - CYLINDER BASE - 5/16" C - - - 1.11
064147 WASHER - CYLINDER BASE & 850 BARREL BOLT C - - - 0.82

Pistons - Pair

All pistons come complete with circlips, piston rings and gudgeon pin.
All of our pistons are cast and not forged.
 PLEASE NOTE, ALL PISTONS COME AS PAIRS EXCEPT THE 500CC SINGLE PISTONS - THESE ARE PRICED FOR ONE, NOT A PAIR

Specification Compression Std +20 +30 +40 +60
Model 50
Single		 - - 97308
(Each)
 £105.25		 - 97309
(Each)
£105.25		 97310
(Each)
 £105.25
500cc
Single - ES2 & Model 18		 7.5:1 19776
(Each)
£86.79		 1977620
(Each)
£86.79		 - 1977640
(Each)
£86.79		 1977660
(Each)
£86.79
500cc
Dominator		 7.5/8.5:1 067144
(Pair)
 £144.70		 067145
(Pair)
 £144.70		 - 067146
(Pair)
 £144.70		 067147
(Pair)
 £144.70
600/650cc
Dominator		 8.9:1 067081
(Pair)
 £186.73		 067082
(Pair)
 £186.73		 - 067083
(Pair)
 £186.73		 067084
(Pair)
 £186.73
750cc
Commando&Dominator
Hepolite		 8.9:1 19145STD
(Pair)
 £83.00		 1914520
(Pair)
 £83.00		 - 1914540
(Pair)
 £83.00		 1914560
(Pair)
 £83.00
750cc
Commando&Dominator		 9:1 067055
(Pair)
 £134.25		 067056
(Pair)
 £134.25		 067109
(Pair)
 £170.10		 067057
(Pair)
 £134.25		 067110
(Pair)
 £145.30
750cc
Norvil - Race Use
Powermax Type Skirt		 9:1/10.25:1 069379
(Pair)
£186.90		 069379B
(Pair)
£186.90		 069379E
(Pair)
£186.90		 069379C
(Pair)
£186.90		 069379D
(Pair)
£186.90
850cc
Commando
Hepolite		 8.5:1 19342STD
(Pair)
 £83.00		 1934220
(Pair)
 £83.00		 - 1934240
(Pair)
 £83.00		 1934260
(Pair)
 £83.00
850cc
Commando		 8.5:1 063838
(Pair)
 £134.25		 064041
(Pair)
 £182.96		 - - -
920cc
Commando		 9:1 069212
(Pair)
 £255.52		 - 069214
(Pair)
 £222.18		 069215
(Pair)
 £208.79		 -
920cc
Commando		 069211 - PISTON - 920 STD SIZE - NO CUTOUT - 13/16PINS- PAIR - £242.70

Piston Rings
Single Sets Are For One Piston, Twin Sets Are For Two Pistons

Specification Price Standard +10 +20 +30 +40 +60
350cc
Model 50 Single		 £39.92 22496A - 224962A - 224964A 224966A
500cc
ES2 & 18 Single		 £39.92 22497A - 224972A - 224974A 224976A
500cc
Dominator Twin		 £44.63 012710 - 012711 - 012712 012713
600&650cc
Dominator Twin		 £49.30 067135 - 067136 - 067137 067138
750cc
 Hepolite
Commando & Dominator Twin		 £33.00 R26260STD - R2626020 - R2626040 R2626060
750cc
Commando & Dominator Twin		 Individually
Priced		 067058
£59.80		 067954
£38.13		 067060
£59.80		 067122
£59.80		 067062
£59.80		 067123
£59.80
850cc
Hepolite
Commando Twin		 £33.00 R26730STD - R2673020 - R2673040 R2673060
850cc
Commando Twin		 Individually
Priced		 067958
£46.20		 - 067960
£36.39		 - 026730
£36.39		 067962
£36.39
920cc
Commando Twin
13/16" Pins		 £76.50 499000 - 499020 499030 499040 -

Page last updated 09/02/12