Looking for aftermarket parts to modify or upgrade your 1981 Checker Marathon with camshafts? At Tunersports.com we carry a huge selection of the top name brand performance camshaft parts and accessories.

OUT OF STOCK 12-841-141/3-1/2 tracks with wide corners or slick surface. 355-383 c.i., 12:1, 4 BBL gas or alcohol. Requires good intake and heads. 4/7 firing order swap. The OWM T/C Series offers a Cam for just about every open wheel modified racer. With the newest lobe designs, a nice broad torque curve with great power... COMP Cams Camshaft CS 47S 289Hxl R7 Ope 1980-1982 Checker Marathon Base / Deluxe $619.92 |
OUT OF STOCK 12-842-143/8-5/8 tracks with tight corners or heavy surface. 355-383 c.i., 12:1+, 4 BBL gas or alcohol. Requires good intake and heads. 4/7 firing order swap. The OWM T/C Series offers a Cam for just about every open wheel modified racer. With the newest lobe designs, a nice broad torque curve with great pow... COMP Cams Camshaft CS 47S 293Hxl R7 Ope 1980-1982 Checker Marathon Base / Deluxe $619.92 |
OUT OF STOCK 12-843-143/8-5/8 tracks with wide corners or slick surface. 383+ c.i., 12:1+, 4 BBL gas or alcohol. Requires good intake and heads. 4/7 firing order swap. The OWM T/C Series offers a Cam for just about every open wheel modified racer. With the newest lobe designs, a nice broad torque curve with great power a... COMP Cams Camshaft CS 47S 297Hxl R7 Ope 1980-1982 Checker Marathon Base / Deluxe $619.92 |
IN STOCK - DROPSHIPS 12-850-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 294Rx-6 1980-1982 Checker Marathon Base / Deluxe $569.48 |
IN STOCK - DROPSHIPS 12-851-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 298Rx-6 1980-1982 Checker Marathon Base / Deluxe $569.48 |
IN STOCK - DROPSHIPS 12-852-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 300Rx-7 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-853-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 304Rx-8 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-854-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 279Tk-R6 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-855-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 281Tk-R6 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-856-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 281Tkb-R6 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-857-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 283Tk-R6 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-858-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 283Tkb-R6 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-859-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 285Tk-R6 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-860-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 287Tk-R6 1980-1982 Checker Marathon Base / Deluxe $569.48 |
IN STOCK - DROPSHIPS 12-861-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 287Tkn-R7 .900Bc 1980-1982 Checker Marathon Base / Deluxe $569.48 |
IN STOCK - DROPSHIPS 12-862-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 289Tkn-R7 .900Bc 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-863-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 291Tkn-R8 .900Bc 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-864-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 293Tkn-R8 .900Bc 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-865-9Drag Race 278/284 Solid Roller Cam for Chevrolet Small Block. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or ... COMP Cams Camshaft CS 307-R6 1980-1982 Checker Marathon Base / Deluxe $569.48 |
SHIPS FROM MANUFACTURER 12-866-9COMP Cams Camshaft CS 305Hxl-6 1980-1982 Checker Marathon Base / Deluxe $448.90 |
IN STOCK - DROPSHIPS 12-870-11Drag Race 248/256 Hydraulic Roller Cam. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies.... COMP Cams Camshaft CS 301QnHR-6 1980-1982 Checker Marathon Base / Deluxe $612.95 |
IN STOCK - DROPSHIPS 12-871-11Drag Race 260/270 Hydraulic Roller Cam. WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies.... COMP Cams Camshaft CS 313QnHR-8 1980-1982 Checker Marathon Base / Deluxe $612.95 |
IN STOCK - DROPSHIPS 12-872-11Drag Race 267/275 Hydraulic Roller Cam WARNING: Camshaft Optimized for use with a Melanized or Nitrided distributor Gear. Not compatible with cast or Steel Gears without similar surface treatments. Failure to utilize the proper distributor Gear will void all warranties and/or return policies.... COMP Cams Camshaft CS 321QnHR-8 1980-1982 Checker Marathon Base / Deluxe $612.95 |
OUT OF STOCK 12-890-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order. WARNING: Camshaft Optimized for ... COMP Cams Camshaft CS 292C-R6 .900 Bc 1980-1982 Checker Marathon Base / Deluxe $569.48 |
OUT OF STOCK 12-895-9SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.... COMP Cams Camshaft CS 296C-R6 .900 Bc 1980-1982 Checker Marathon Base / Deluxe $569.48 |