- Description
-
Details
MAP Norton Commando 750 & 850cc 4S High Performance Cam
- The 4S cam provides a very similar grind to the famous SS or Combat cam with a little extra lash clearance
- Provides broad power band with great all around performance
- Makes good use of big Norton engines with strong mid range and increased top end
- Wide, smooth power band
- Fits all 750 and 850cc engines with slight modifications
Note:
- Be sure to check clearances on 750cc engines
- Cam is threaded with 1/4 x 26 TPI thread. Use of any other size may damage cam and void warranty
Specifications
- Duration: 276 degrees @ .040 - L.L. .388" - Cam lift at TDC 168" intake. 145" exhaust
- Timing: 36btc/64abc (in); 64bbc/32atc (ex) - lash .016" in. .016"ex
- Timing at .40" cam lift with stock lifter
- Lobe center 104 degrees (intake) 106 degrees (exhaust)
Additional Information
SKU MAP1600-4S Manufacture MAP Cycle - Additional Information
-
Additional Information
SKU MAP1600-4S Manufacture MAP Cycle - Reviews
-
Write Your Own Review
- Fitment Information
-
Norton Models
- Norton Commando 750 1968
- Norton Commando 750R 1969 - 1970
- Norton Commando Fastback 750 1969 - 1973
- Norton Commando Fastback 850 1973
- Norton Commando Fastback LR 750 1971 - 1973
- Norton Commando Hi-Rider 750 1971 - 1975
- Norton Commando Hi-Rider 850 1973 - 1974
- Norton Commando Interstate 750 1972 - 1973
- Norton Commando Interstate 850 1973 - 1974
- Norton Commando Interstate Combat 50 1972
- Norton Commando John Player 850 1973 - 1975
- Norton Commando MK III Hi-Rider 850 1975
- Norton Commando MK III Interstate 850 1975 - 1977
- Norton Commando MK III Roadster 850 1975 - 1977
- Norton Commando Roadster 750 1971 - 1973
- Norton Commando Roadster 850 1973 - 1974
- Norton Commando Roadster Combat 750 1972
- Norton Commando Scrambler 750 1971
- Norton Commando Scrambler 750S 1969 - 1970
- Product Question
-
Product Questions
No questions yet. Be the first to ask the question! - Shipping Estimation
-
You can use this section to calculate shipping costs on all available methods for the item on this page, or your entire shopping cart.
-
-
-
-
Yes No
-