RE: Custom Piston Rings
Frank Bowman's stock list. You can order these as stock without sending him cylinder and piston
Ace Twin .64
Aircom M61 (pin)
Anderson Spitfire .65
Air-O .45
Asp .52 4C, .61, .80 4/C, .91 4/C
Atomic 60
Atwood .49, .51, .63
Avistar .60 (pin)
Bantam .16
Bat .19
Berilli 36 CC (Pin)
BME 3.5 (Pin)
Brison 2.4 (pin), 3.2 (pin)
Brown Jr. .60 cylinder sizes vary (send Piston & cylinder for proper fit & correct ring)
Brownie .29
Bushwacker 37.7 CC (pin) Sears
Bunch .45, .49
Cameron .15, .19
Cave Cobra
Cleveland Tom Thumb .45
Como .29 (pin), .40, .51 (pin), .90 (pin)
Contestor D.60
CRRC Pro 45 CC (pin)
Cub Cadet 25CC (pin)
DL 50 CC (pin)
DME 100 Twin (pin)
Dooling .29, .61, Yellow Jacket
DZY 48 CC Twin (Pin)
Echo 16CC (pin), 21CC (pin), 21.2 CC (pin), 23.6 (pin), 24.4 CC (pin), 30 CC (pin), CS-3000 (pin), 50 CC (pin)
Edco Sky Devil .64 Old or New (RJL) state which one?
Enya 3.5 (pin), .30 SS (pin), .35 X (pin), .40 X Dykes (pin), .40 Dykes model 6002, .45, .45SS (pin), .46 4C,.49 X (pin), 50SS (pin), .53 4/C, .60 4C, .60 X (pin), .60 standard, .80 X (pin), .80 4C, .90 4C, 120 R 4C, 1.55 4C, 240 4C Twin
ETA .29
Forster .29, .31, .88, .99
Fox 36 Sand Cast (pin), .40 Sch., .45, .50, .59 .047 thick ring only, .59 long shaft Ign., .60 Blue Head, .60 Eagle, Fox Hawk
Red Head .60 (pin), .74, .78, 120 Twin (pin)
GMS .61 (pin), .76 Dykes (pin)
Hassad Blue Streak .64
HB .21 Dykes, .40 PDP Dykes, .50 Dykes, .61 (pin), .61 Dykes
Hiller (Car)
Hirobo 36 (pin)
Homelite 25 CC, 30 CC (pin) old .060 thick , 30 CC newer .030 thick, 33 CC (pin), 38 CC (pin), 40.6 CC Super EZ Chain Saw, 45 CC (pin), 50 CC (pin)
Horner 3.7 Twin (pin)
Hornet .19, .60
Howler .60 (pin)
HP .21 4/C Dykes ,.40 (pin) ,.61 R.I. Silver Star (pin), .61 Dykes (pin) Blk Case Gold Hd.
Irvine .40 Pylon Dykes & Standard, .61 Dykes, .25 Dykes.
Kavan MK 50
KDC Kioritz 21.2 CC (pin), 23.6, 25 CC (pin), 30 CC (pin), 58 CC (pin)
K&B .35 Dykes, .40 Dykes, .40 S Dykes (pin), .61, .61 Dykes (Lee Custom), 1.35 (pin), 1.5 (pin)
Kometa 29
Kraft .61 (pin)
Kratmo 10 CC, 4A Ignition
Laser 61 4/C
Lewis 60
Magnum .53 XL 4C, .61 XL (pin), .91 XL 4C
Maloney 100 (pin), 125 (pin)
McCoy .09, .19, .19 Dykes B.H., .21 Dykes Car, .29 all versions, .29 Dykes B.H., .35 Dykes B.H., .36, .40 Dykes B.H., .49, .55, .60
McCulloch 21 CC (pin), 25 CC (pin) MDB 90 Leaf Blower, 28 CC, 32 CC (pin),
MDL 28 CC (pin)
MDS .78 (pin), 1.48 (pin), 2.18 (pin)
Merco .40, .49, .49 Dykes, .50, .61, .61 Dykes
Moki M .51 (pin), .61 (pin), 1.20 (pin), 1.35 (pin), 1.50 (pin), 1.80 (pin), 2.10 (pin)
O&R Industrial Motor 1 HP
OPS Maxi .30 (pin)
OS .20 FS 4C, .26 4C, .28 FH Dykes (pin), .32 (pin), .37 H (pin), .40 H Dykes & Standard, .40 H (P) Pylon, .40 FS 4C, .40 SR (pin), .807 bore, .40 FSR .835 Bore, .40SR Dykes, .45 (pin), .45 Dykes (pin),
.45 RSR Dykes, .46 Dykes (pin), .46FX (pin), .46SF (pin), .48 Surpass, Max .50 old, .50 FSR Dykes (pin) ,.50 H (pin), .50 SX & SXH (pin), Surpass .52 4C, .58, Max-H .60 FGR .60 4C, .60FSR (pin) .9445 Bore - older or SF .9055 Bore, .61 FS 4C, .61 SX & SXH (pin), .65 (pin), .70 & .75 Surpass, .80 H,.80 Dykes (pin), .90 & .91 4C, .90 & .91 Glow, .91 FX (pin), .91 SX H (pin), 1.08 (pin), 120 4C, 160 FX (pin), BGX-1 3500 (pin)
Poulan 42 CC (pin), 42 CC Wildthing (pin), 46 CC (pin), 54 CC (pin), 60 CC (pin)
Profi .40 (pin), .61 (pin), .76 (pin)
Quadra 35 CC , 40 CC (pin), 42 CC (pin), 50 CC (pin), 150 Twin (pin)
RSC 1.40 (pin)
Ross .60 Dykes (pin), .60 opposed twin Dykes (pin), .61 (pin)
Rossi Speed .60 old, .60 (pin) .021, .61 (pin) .023, .65 (pin) .0235
Ryobi 26 mm Bore EJ 100 (pin), 31CC (pin) older .064 thick, 31 CC (pin) newer .047 thick
Saito .40 4C, FA .45 4C, FA .50 4C, FA .60 T 4C Twin, FA .65 4C, 72 4/C, FA .80, .91 4C, 120 4C,130 TD 4C Twin, 150 4C, 300 4C Twin
Sachs 2.0 (pin)
Scott Thunderbird
Shindiawa 33 CC (pin)
Skil chainsaw (pin)
Sky Chief .53
Spe 25.4 (pin), 40CC (pin), 45CC (pin)
Stihl 25.4 (pin), 028 Chain Saw 44 CC (pin), Super 45 (pin), 57 CC (pin), MS 440 Chainsaw 70 CC (pin)
Super Tigre .19, X.25, S .29 (pin), G21.29 old, .34 (pin), .40 Bullring, S.40 (pin), G21.40 std., G21 .40 Dykes, G21.46 std. ,S.45 (pin), V.45, X.45 (Pin), G21 .46 wide Dykes, .46 Bullring, G.46, G .46 Bullring, V 51, G51 (pin) Italian, G51 (pin) China, V.56, V.56 Dykes, V 60 light case .044 or .047 top to bottom measurement, G24 60 Old, G 60 Bluehead, X60 (pin), V.60 wide & narrow Dykes, S.61 (pin), G.71, S.75 (pin), .90 (pin), 2000 (pin), 2300 (pin), 2500 (pin), 3000 (pin) Italian, 3000 (pin) China, 3250 (pin), 4500 (pin)
Syncro B-30, Syncro ACE, Syncro ACE Special
Tartan 1.34 (pin), Twin .77 (pin)
Technipower 7 Cylinder radial
3MM 53 TOC (pin)
3W 80 CC Boxer Twin (pin)
Thunder Tiger .39 (pin), Pro .50 H (pin), .54 4C, .91 FS 4C, 120 Pro (pin)
Ueda .45, .61
US 25 CC (pin)
Vlvatam 5 CC
Veco .50 Dykes, .61, .61 Dykes
Vega 10CC
Webra 10 ccm, 6.5 (pin), .40, .40 (pin), .40 Dykes (pin), .50 Dykes (pin), .61, .61 (pin),
Speed .61 FS (pin), Speed .61 F Dykes (pin), T480 4C, .91 (pin), .120 Dykes (pin), T 4.90
Weedeater (pin) 1.380 Bore, 22 CC (pin)
Weedwacker (pin)
Westbury Atom III
YS .61 Long Stroke (pin), .63 4/C, .80 H (pin) 2C, F.91 AC 4C, .91 2C (pin), F120 4C
YW 24CC single & 48CC Twin (pin)
Zenoah G20 (Pin), G23 (pin), G26 (pin), G38 (pin), G45 (pin), G62 (pin)