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Harley Heads | Straight Line Harley LLC
https://straightlineharley.com/harley-heads
Using the same stock Harley cylinders & 3.937 bore, your 4 3/8" stroke motor will now be 107" Full Port Heads Complete race proven full port job, larger intake valves massaged in along with new guides, valves, high lift springs, collars & keepers.
Harley Cylinder Heads - Dennis Kirk
https://www.denniskirk.com/harley-davidson/cylinder-heads
Improve your engine's airflow with aftermarket Harley Cylinder Heads from Dennis Kirk. Ported heads from S&S Cycle can greatly improve your Harley's performance. www.denniskirk.com. 800-969-7501. Contact us: 800-969-7501; We'll ship today if ordered in: 0 7 HR: 1 9 MIN: 1 5 SEC. Details Shipping Cutoff Times ...
Building Better Cylinder Heads for Harley …
https://www.enginebuildermag.com/2017/09/building-better-cylinder-heads-harley-davidsons-big-twin-engines/
2017-9-1 · The Harley-Davidson cylinder head aftermarket is broad and deep with offerings from mildly modified stock castings to all-out racing billets. We see …
Harley-Davidson Engine Performance - Cylinder …
http://nightrider.com/biketech/hdheads.htm
2008-11-15 · A good 'street or pocket' port consists of improving the air flow around the valve seat and valve guide areas of the head. A good 5 angle valve job is performed, and the heads are ready to go on the bike. Heads reworked in …
Dave Mackie Engineering - Custom Heads, Pistons and …
https://www.davemackie.com/
2016-5-25 · DME camshafts are designed using three decades of Dyno testing, racing, touring, street rodding, and research with cams of all major manufacturers. Learn more! Dave Mackie Engineering provides its revolutionary Mega-SphereT Head and Piston design for both Harley-Davidson Twin-Cam and Evolution motors. Learn more!
m8 heads — A1 Cycles
https://www.a1cycles.net/machine-shop/m8-heads
m8 heads. m8 heads. 1,199.00. , m8 heads, fully ported, decked, full radius valve job, protrusion set to exact tolerance (not harley factory .001” is good enough)..we have developed special tooling to make your m8 run cooler, faster and stronger than ever, call for big valve options. our 124-128 kits deliver more than 130 hp and 150 tq using ...
SA Heads - RB Racing-RSR
https://rbracing-rsr.com/SAHeadTech.html
2021-3-11 · SA Heads. Big valves, raised inlet and exhaust ports, the latest small volume chamber design, long-life iron guides, triple valve springs, .600+"lift cams, automatic compression releases, flow bench optimized ports. These SA and B2 heads are serious parts meant for the race track where airflow equals horsepower.
Harley High Performance / George Bryce / United …
https://www.starracing.com/
Star Racing sells horsepower for 2007-2020 Harley Davidson motorcycles, Twin Cam and Milwaukee 8. High Performance Parts, specializing in camshafts designed by George Bryce. Mail order only. Located in the United States. Email [email protected] for more information
Welcome to Pro-1 Racing Heads | Pro-1 Racing Heads
https://www.pro1racingheads.com/
On-Demand Machine Shop Services. Pro-1 Racing Heads is the first custom machine shop in the motorcycle industry to offer this service to the public. Just send us your specifications and/or a blueprint. We will then evaluate your design, estimate the cost of the project, and forecast the completion date. NOTE: All valve jobs are CNC machined ...
Harley Davidson Performance Parts - FeulingParts.com
https://www.feulingparts.com/
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