Pressure Fittings | Exhaust Diverters | Silicone Products | Aluminum Tubing Propeller Hub Nuts | Screws | Cinch Straps, Pipe Mount Kit, "O" Rings Pressure Fittings Description Price Stock # 8-32 Thread 3.95 9021 Thin Wall 5.25 9041 90° Thin Wall 7.45 9051 Engine Head Water Fitting - 10-32 - 2/Pack 14.95 9071 Fuel Filter Description Price Stock # All-Metal Inline Fine Mesh Fuel Filter 13.95 9081 Exhaust Diverters Description Price Stock # 7/16 OD x .035 Wall 8.25 9113 1/2 OD x .035 Wall 9114 9/16 OD x .035 Wall 9115 5/8 OD x .035 Wall 9116 Silicone Products Description Price Stock # Silicone Header Pipe Connector, 1/2" ID x 1 1/2" Long with 2 cinch straps (for .10-.35 engines) 5.75 9161 Silicone Tubing, 1/2" ID - 1 foot (for .10-.35 engines) 25.95 9163 1 yard 47.95 9164 Silicone Header Pipe Connector, 5/8" ID x 2" long w/ 2 cinch straps (for .35-.90 engines) 6.95 9171 Silicone Tubing, 5/8" ID - 1 foot (for .35-.90 engines) 26.95 9173 1 yard 49.95 9174 Silicone Header Pipe Connector, 3/4" ID x 2 1/2" long w/ 2 cinch straps (for .91-3.2 engines) 8.25 9181 Silicone Tubing, 3/4" ID - 1 foot (for .91-3.2 engines0 31.95 9183 1 yard 55.95 9184 Aluminum Tubing Description Price Stock # 9/16 OD x 6" (for .10-.15 engines) 5.25 9351 9/16 OD x 12" 6.95 9352 5/8 OD x 6" (for .20-.36 engines) 5.25 9361 5/8 OD x 12" 6.45 9362 3/4 OD x 6" (for .35-.75 engines) 5.75 9371 3/4 OD x 12" 7.45 9372 7/8 OD x 6" (for .85-2.85 engines) 6.45 9381 7/8 OD x 12" 8.45 9382 Propeller Hub Nuts Click here to find what size nut is best for your engine Size Price Stock # ALUMINUM (A) 1/4" x 28 7.45 9122 (B) 5/16" x 28 9123 (D) 6mm x 1mm 9125 (E) 7mm x 1mm 9126 (H) 8mm x 1.25 mm 9128 BRASS (A) 1/4" x 28 10.45 9132 (B) 5/16" x 28 9133 (D) 6mm x 1mm 9135 (E) 7mm x 1mm 9136 (H) 8mm x 1.25mm 9138 Screws Size Price per set Stock # Standard 3/48 x 1¼" F.H. 3.75 9826 4/40 x ½" SOC 9832 4/40 x ¾" SOC 9834 4/40 x 1¼" SOC 9836 4/40 x 1½" SOC 9837 5/40 x ½" SOC 9842 5/40 x ¾" SOC 9844 5/40 x 1¼" SOC 9846 5/40 x 1½" SOC 9847 6/32 x ½" F.H. 9852 6/32 x ¾" F.H. 9854 6/32 x 1¼" F.H. 9856 6/32 x 1½" F.H. 9857 8/32 x 1¾" F.H. 9868 Metric 3mm x 12mm 3.75 9902 3mm x 20mm 9904 3.5mm x 12mm 9912 3.5mm x 20mm 9914 4mm x 12mm 9922 4mm x 20mm 9924 5mm x 16mm 4.50 9933 6mm x 16mm 4.95 9943 Other Accessories Description Price Stock # Cinch Straps for Header Pipe 10/pack 3.25 9211 Pipe Mount Kit (for .20-1.08 Engines) 5.45 9231 "O" Ring, 1/2" ID (for 3.5 ducted fan systems) 3.25 9251 Return to Product Line Macs Products 7935A Carlton Rd. Sacramento, CA 95826 Home | Product Line | Tuning Info | One Piece Muffler Pumpless Smoke System | Videos | R/C Links | Order Form