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TP52 © Max Ranchi
Grand Prix Cylinders
Used for mast, sail, and keel controls, Harken Grand Prix cylinders 
were specifically designed to withstand the stresses of high-intensity 
racing. Their longevity and reliability are evident in the selection 
of high-quality materials and components. 
Cylinder housings are machined from aerospace grade titanium. 
High-strength stainless steel rods provide superior strength and 
corrosion resistance. 10,000 psi cylinders are available upon request.
Cylinders are offered with clevis jaws and a variety of fittings. 
Available in push, pull, pull/pull and push/pull styles.
Grand-Prix cylinders are only intended for systems with a vigorous 
maintenance schedule, as they are built for extremely high loads 
at a minimal weight. 
All Grand Prix cylinders are made to order 
To order, specify stroke length in millimeters and rod and cylinder end 
fitting options. Contact Harken for weights and volumes.
Custom titanium mast ram
Contact Harken to request quote and lead time.     *Specify material choice and rod and clevis end fittings by adding appropriate 3-letter code to end of part number. See page 233.
**Maximum air return force ratio is 10:1, not included in pull force calculation. Precharge is a maximum of 100 psi (6.9 bar).
Grand Prix cylinder with 
spherical end cap
Grand Prix cylinder with V block
Part
No.*
Bore
Ø
Rod
Ø
Pull force**
@ 5000 psi/345 bar
@ 7500 psi/517 bar
in
mm
in
mm
lb
kg
lb
kg
 HYCS01906xxxx 
 3/4 
 19 
 1/4 
 6 
 1963 
 891 
 2945 
 1336 
 HYCS02508xxxx 
 1 
 25 
 5/16 
 8 
 3543 
 1607 
 5315 
 2411 
 HYCS02910xxxx 
 1 1/8 
 29 
 3/8 
 10 
 4418 
 2004 
 6627 
 3006 
 HYCS03210xxxx 
 1 1/4 
 32 
 3/8 
 10 
 5584 
 2533 
 8376 
 3799 
 HYCS03511xxxx 
 1 3/8 
 35 
 7/16 
 11 
 6673 
 3027 
 10009 
 4540 
 HYCS04011xxxx 
 1 1/2 
 40 
 7/16 
 11 
 8084 
 3667 
 12126 
 5500 
 HYCS04513xxxx 
 1 3/4 
 45 
 1/2 
 13 
 11045 
 5010 
 16567 
 7515 
 HYCS04814xxxx 
 1 7/8 
 48 
 9/16 
 14 
 12563 
 5699 
 18845 
 8548 
 HYCS05014xxxx 
 2 
 50 
 9/16 
 14 
 14465 
 6561 
 21698 
 9842 
 HYCS05516xxxx 
 2 3/16 
 55 
 5/8 
 16 
 17257 
 7828 
 25886 
 11742 
 HYCS06018xxxx 
 2 3/8 
 60 
 11/16 
 18 
 20295 
 9205 
 30442 
 13808 
 HYCS06519xxxx 
 2 1/2 
 65 
 3/4 
 19 
 22335 
 10131 
 33502 
 15196 

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