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OPS/Radical Off-Road Engine Parts
GET IT STARTED WITH GOTNITRO!
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| Carburator 9mm | Carburator Servo Linkage | Carburetor Block O-Rings Set |
| Replacement carburator for the Radical 621T, 621P and 628T. | Carburator Servo Linkage. Linkage from servo that attached to ball on carburator. Fits Radical 621T, 621P and 628T carbs. | Carburetor Block O-Rings. O-rings that go on base of carburetor all Radical engines 2pcs per package. The thicker o-ring goes in lower slot and thinner goes to upper slot on block. |
$79.99 $45.00 | $9.99 | $2.99 |
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| Carburetor Body All OPS/Radical Engines | Carburetor Rubber Boot | Complete Carb Assembly for All Radical Engines |
| Carburetor Body All OPS/Radical Engines. Replacement Green Anodized Carburetor Body for all OPS and Radical Engines. All Aluminum beautifully machined replacement part. Standard carb body to be used with inserts sold separetly. | Replacement Carburetor Rubber Boot for Radical 621T, 621P and 628T. | Complete Carb Assembly for All Radical Engines. Complete with 3 venturies. |
$18.00 | $8.99 | $59.99 |
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| Cone Flywheel | Cooling Head Radical 621T | Crankcase Bolts |
| Replacement Cone Flywheel for Radical 621T, 621P and 628T | Replacement cooling head for the 621T and 621P. This replacement head does not have engraving for specific model of 621T or 621P. | Replacement Radical/OPS crankcase bolts 10 per package. Fits Radical 621T, 621P and 628T and marine .21 |
$5.99 | $49.00 $32.00 | $6.99 |
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| Exhaust Gasket (Rubber) | Front Crank Bolt Std Thread | Header Long Spring for Radical/OPS Exhaust |
| Replacment red rubber exhaust gasket for the Radical 621T, 621P and 628T. OPS/Radical Brand. | Replacment Front Crank Bolt Std Thread. There is 2 bolts per package. | Header Long Spring for Radical/OPS Exhaust |
$5.99 | $1.99 | $2.99 |
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| High Speed Needle for OPS/Radical 3.5cc Nitro Engine | Main Needle Housing | New Cinderella Design OPS/Radical Cooling Head 621T |
| High Speed Needle for OPS/Radical 3.5cc Nitro Engine Carburetor's. Fits all 3.5cc carbs. Does not come with o-rings order them separetly. | Main Needle Housing for Radical carburator. Fits 621T, 621P and 628. | New Cinderella Design OPS/Radical Cooling Head 621T stamped on head. |
$9.99 | $9.99 | $39.00 |
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| O-Ring Small (2pcs per package) | OPS .21 Head Shim | OPS .21 Wrist Pins Clips |
| O-Ring Small for all carburator needles on all Radical Engines/OPS 3.5cc engines. Package of (2pcs) o-rings per package. | Radical 621T and 621P head shim. The shim is .1mm comes 2pcs shim/head gasket per package. | Wrist pins eclips for your Radicals and OPS .21's including marine 3.5. Package 2pcs. |
$1.89 | $1.99 | $2.99 |
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| OPS Exhaust Spring Set Small 4pcs | OPS Turbo Glow Plug #6 or #7 Heat Range (IN STOCK) | OPS .21 Tuned Off-Road Adjustable Competition Pipe Kit |
| OPS/Radical Exhaust Spring Set Small 4pcs | Original OPS Turbo Glow Plug's Manufactured by OPS in Italy. These are 24ct GOLD Plugs designed for the RADICAL/OPS off-road engines. The #6 Turbo plug is the hottest plug OPS makes. | OPS Adjustable .21 Tuned Off-Road Competition Pipe Kit. This OPS R/C Aluminum Pipe Kit is specifically designed for all Radical/OPS Off-Road .21-.28 competition engine's, approved EFRA 2010 pipe. It is ROAR legal and it also comes with a variety... |
$6.99 | $7.97 | $79.15 $78.60 |
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| OPS/Radical 621P/621T/628T/SFV21B Your Choice Rebuild Combo | OPS/Radical Carburator Spray Bar | OPS/Radical Connecting Rod All Radical Engines |
| Rebuild your Radical 621P/621T/628T Nitro engine. Also the OPS SFV21B off-road takes the 621T Rebuild.Your choice 621T/621P or 628T; Piston/Sleeve, Rod, Wrist pin with 2 clips, 2 rear crankcase gaskets. All in this Combo over $190 value. | OPS/Radical Carburator Spray Bar. For all Radical engines. | Now's the time to change that rod guys. Save you $$'s in the end. Connecting Rod for the Radical 621T, 621P and 628T.This 60711 rod also fits the marine .21 with 6 hole cylinder head bolt pattern. |
$169.99 $136.70 | $12.99 | $38.00 |
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| OPS/Radical Crankcase Cover Gasket | OPS/Radical Engines Carb Cinch Collar | OPS/Radical Replacement Piston and Sleeve 621T |
| OPS/Radical OPS Crankcase cover gasket, 2 gaskets per package. Fits all Radical Engines. | OPS/Radical and OPS Marine engine cinch collar with allen wrench. Hold's carburetor to block. Includes stainless steel collar, orings, bolt and wrench. | OPS/Radical Factory modified replacement Piston and Sleeve for the Radical 621T. Also the OPS SFV21B off-road takes the 621T Rebuild. This is a factory modded piston and sleeve for the off road Radical/OPS engine. Note differant porting then the 621P. |
$1.89 | $4.99 | $129.99 $99.00 |
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| OPS/Radical Venturi Carb Inserts | Piston and Sleeve for Radical 628T | Replacement Crankcase O-Ring Cover Gasket |
| OPS/Radical Complete set of carburetor inserts, 6,7 and 8mm. | Factory modified replacement Piston and Sleeve for the Radical 628T. | Replacement Crankcase O-Ring Cover Gasket for Radical 621T, 621P and 628T. Replacement o-ring gasket one per package. |
$10.99 | $129.99 $99.00 | $3.99 |
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| Replacement Crankshaft | Replacement Front Crankcase Bearing | Replacement Head Bolts |
| Replacement Crankshaft for the Radical 621T, 621P and 628T. | Replacement Front Crankcase Bearing for Radical 621T, 621P and 628. Size is 19X7X6. | Replacement head bolts for the Radical 621T, 621P and 628T 8pcs |
$110.00 | $19.30 | $12.90 |
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| Replacement Piston and Sleeve 621P | Replacement Rear Crankcase Bearing | Resin Green Washers 2pcs |
| Factory modified replacement Piston and Sleeve for the Radical 621P. Power version of the 621 product line. Note the differant porting then the 621T for torque engine. | Replacement Rear crankcase Bearing for Radical 621T, 621P and 628T. Size is 13X25X6. | Replacement fiber resin washer that fits between the brass needle housing and the carb body. Requires (2) of these washers to prevent leaking. Fits Radical 621T, 621P and 628T. Comes 2pcs in package. |
$129.99 $99.00 | $24.60 | $2.99 |
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| Standard Plug Head Button | Turbo Head Insert 621T and 621P | Turbo Head Insert 628T |
| OPS standard plug head button. The cylinder head button design allows the racer to fine tune the motor to their glow plug preference by offering an optional standard button head piece. | Replacement Turbo Button for the Radical 621T, 621P. | Turbo head button insert fits Radical 628T. |
$20.00 | $24.99 $18.90 | $22.99 |
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| Wrist Pin and 2pcs Clips | ||
| Replacement wrist pin and clips for the Radical 621T, 621P, 628T. Includes one pin and two clips. | ||
$9.25 | ||
