en-us Mon, 25 May 2026 19:24:18 GMT 184796112 https://motorheadmedia.com/racing-transmissions/184796112/hewland-st-030-scca-trans-am-gt-1-five-speed-gear-box-used-.html Hewland ST-030 five speed dog ring gear box for sale, as shown. Includes many extra gear sets, with two tote boxes. We have not run this box, and it came in as a spare, to a GT-1 car which we purchased. See photos, for further details. Does not include a shifter. The box rotates freely, and engages, when manually shifted. There appears to have been a repair, to the tail shaft area of the case, which can be seen, in the photos. Hewland developed it, in 1989, for IMSA, and SCCA Trans Am…

]]> Transmissions and Clutches: Racing Transmissions Sun, 24 May 2026 16:13:49 GMT 184796106 https://motorheadmedia.com/racing-transmissions/184796106/pbs-dropgear-dogbox.html 5 speed dogbox/crash box built by Mazda racing. Designed to allow for quickl/,easy gear changes. This rare, sought after tranny can be used behind many engines. There are available adaptors. Always run with a cooler. I have many many extra gears and dog rings. Tranny has very low hours.

]]> Transmissions and Clutches: Racing Transmissions Sun, 24 May 2026 15:30:33 GMT 184796091 https://motorheadmedia.com/other/184796091/gearvendors-overdrive-unit-for-th400..html Upgrade your TH400 with this Gearvendors overdrive unit. Adds a 0.78:1 overdrive gear for better highway cruising, lower RPMs, and improved fuel economy without sacrificing launch performance. Unit is clean and ready to install. Ideal for street, strip, and pro-touring builds running a Turbo 400 transmission. Message for condition details, fitment questions, and shipping options.

]]> Transmissions and Clutches: Other Sun, 24 May 2026 12:05:01 GMT 184796054 https://motorheadmedia.com/racing-transmissions/184796054/fresh-coan-extreme-performance-th400-transmission-pack.html Professionally built by Coan Engineering, this is a serious race-ready TH400 setup rated for 1800+ HP. Transmission has startup time only on a fresh build and comes complete exactly as removed from the car. Car is being parted out. Package Includes: • Coan built stock-case TH400 • Pro Mod drum • 300M input & intermediate shafts • Pro brake trans brake • Clean neutral valve body • M&M air shifter with cable & trans brake button • M&M external…

]]> Transmissions and Clutches: Racing Transmissions Sun, 24 May 2026 07:53:28 GMT 184605176 https://motorheadmedia.com/manual-transmissions/184605176/61-63-clutch-fork-61-62-all-and-63-409-used-w-bell-housings-.html 1961 1962 1963 Chevrolet Impala Bel air Clutch fork 61-62 All and 63 409 only used w/bell housings 552 and 553 115.00 for new one. also have a few used for 85.00 CALL FOR MORE INFO 507-233-1958

]]> Transmissions and Clutches: Manual Transmissions Sun, 24 May 2026 07:50:03 GMT 184139063 https://motorheadmedia.com/automatic-transmissions/184139063/1-000-hp-rated-4l80e-transmission-kit-complete.html The GM 4L80E 4-speed overdrive transmission is the ultimate 4 speed overdrive platform. Hughes Performance has a 4L80E transmission available for practically any engine combination and power level. This 1,000 FWHP rated custom transmission comes with some unique features that will perfectly compliment your naturally aspirated Borowski LS engine equipped with a Holley Terminator X-Max. This kit has everything you will need to get on the road. FEATURES - New Bushings, Bearings, Seals, and…

]]> Transmissions and Clutches: Automatic Transmissions Sat, 23 May 2026 07:50:03 GMT 184139048 https://motorheadmedia.com/racing-transmissions/184139048/full-race-4l80e-from-hughes-performance.html Hughes Performance part number 25-3X is an Extreme Duty Street/Strip 4L80E transmission with full manual shift, trans-brake, and a forward shift pattern (P-R-N-4-3-2-1). Features and upgrades include: - Billet steel input shaft - Billet steel intermediate shaft - Forged steel forward clutch hub - Custom direct drum with Pro Mod 36 element sprag - Max clutch count with red racing frictions - Kolene steels - High Energy intermediate band - High static carbon rear band - Roller thrust bearings…

]]> Transmissions and Clutches: Racing Transmissions Sat, 23 May 2026 07:50:03 GMT 184138923 https://motorheadmedia.com/automatic-transmissions/184138923/1-500-hp-rated-4l80e-transmission-kit-complete.html We needed a 4L80E automatic transmission to handle our Whipple supercharged LS7 engines for mixed street and track use. Like most twin screw superchargers, the Whipple has an internal bypass which can swing the engine from vacuum to full boost in a fraction of a second. No other type of power adder changes the torque being delivered to the wheels that quickly. Good news; bad news. Incredible throttle response but the surge in torque will tear up a weak transmission that might survive the…

]]> Transmissions and Clutches: Automatic Transmissions Sat, 23 May 2026 07:50:03 GMT 184138815 https://motorheadmedia.com/racing-transmissions/184138815/hughes-performance-extreme-duty-th400.html The Hughes Performance 34-3X is an Extreme Duty Street/Strip series TH400 transmission with transbrake and reverse shift pattern. Rated unit for use to 1,000 flywheel horsepower, it can typically handle upwards of 1,100 - 1,150 flywheel horsepower in many street/strip applications. Features of this transmission include the following: - Cleaned, prepped, and painted GM heavy duty transmission case - All new bearings, bushings, seals, gaskets, and premium Teflon sealing rings - Roller bearing…

]]> Transmissions and Clutches: Racing Transmissions Sat, 23 May 2026 07:50:03 GMT 184795908 https://motorheadmedia.com/automatic-transmissions/184795908/t56-t6060-hydraulic-slave-remote-bleeder-kit.html Factory GM slave cylinder’s bleeder system is archaic & poor design allowing fluid to go back into the clutch area. Accessing the bleeder on swapped cars is very tight if not impossible. Our Remote bleeder kit attaches to the factory slave cylinder and relocates the bleeder to the side of the transmission for easy access. This complements out Six speed crossmember. Drilling & thread tapping required. Instructions & all stainless steel hardware included. Fits all Tremec T56/…

]]> Transmissions and Clutches: Automatic Transmissions Fri, 22 May 2026 16:13:14 GMT 184795907 https://motorheadmedia.com/automatic-transmissions/184795907/t56-t6060-1975-81-fbody-cross-member.html Strong & sleek looking transmission crossmember is designed to maximize exhaust clearance, position driveline at proper angle and removes easily when transmission needs to be removed. Swivel joints allow components to find their happy place without binding. Installation jig, instructions & stainless steel hardware included with purchase. Fits 1975-81 Camaros & Firebirds

]]> Transmissions and Clutches: Automatic Transmissions Fri, 22 May 2026 16:08:11 GMT 184795832 https://motorheadmedia.com/other/184795832/gearvendors-overdrive-unit-for-th400..html Gearvendors Overdrive Unit for TH400. Upgrade your TH400 with this Gearvendors overdrive unit. Adds a 0.78:1 overdrive gear for better highway cruising, lower RPMs, and improved fuel economy without sacrificing launch performance. Unit is clean and ready to install. Ideal for street, strip, and pro-touring builds running a Turbo 400 transmission. Message for condition details, fitment questions, and shipping options.

]]> Transmissions and Clutches: Other Fri, 22 May 2026 09:43:48 GMT