

Price listed is for Standard Rebuild Service- You send in your cylinders to be rebuilt.
Expedited Core Exchange Option includes a $2000 Refundable Core Charge plus a $200 surcharge for inventory management. This means parts shipping from our inventory first are $1800 plus $2000 refundable deposit plus shipping.
Core exchange is currently not available for international customers, unless you are an existing customer with previous Ferrari parts orders.
No sales tax for orders in the USA
We provide world class technical support
3-year standard warranty (should last decades)
Rebuild/upgrade service replaces leaking, inferior OEM seals and improves upon top hydraulic cylinder design. Making your Ferrari cylinders better than brand new ones, for a fraction of dealer price. Our service includes a 3 year warranty.
Note: in the unlikely event that there is rust or tool damage from cylinder removal on the chromed cylinder shaft, there will be an additional charge for replacing the cylinder shaft and possibly part of the housing.
Ferrari p/n's:
66454700 - Frame Top Seal Main Cylinder
66454100 - Frame Top Seal R.H. Secondary Cylinder
66454000 - Frame Top Seal L.H. Secondary Cylinder
66453900 - Complete R.H. Main Cylinder
66453800 - Complete L.H. Main Cylinder
66454300 - Rear Guard R.H. Cylinder
66454200 - Rear Guard L.H. Cylinder
Special Option: Order from our stock with core exchange.
Includes $200 refundable core deposit.
Ferrari p/n: 66453900
Special Option: Order from our stock with core exchange.
Includes $200 refundable core deposit.
Ferrari p/n: 66453900
New/upgraded hydraulic hose (also known as line or pipe) made by Top Hydraulics, far exceeding OEM specs. 10,000 psi working pressure, 25,000 psi burst pressure, long-lasting, easy to install. The best hoses for the application, at the best price.
Special Option: Order from our stock with core exchange.
Includes $200 refundable core deposit.
Ferrari p/n: 66454700
Top Hydraulics does not stock this part, but we will make yours better than a brand new one for a fraction of Ferrari's price, typically with one day turn around of us receiving your original part. Please inquire about our low FedEx rates, both for shipping inside the US and internationally.
New/upgraded hydraulic hose (also known as line or pipe) made by Top Hydraulics, far exceeding OEM specs. 10,000 psi working pressure, 25,000 psi burst pressure, long-lasting, easy to install. The best hoses for the application, at the best price.
Core exchange is currently not available - your cylinders need to be sent in first for rebuild service. We use the best seals available, far exceeding OEM quality. Price is per cylinder.
New hydraulic hose (also known as line or pipe), far exceeding OEM specs. 10,000 psi working pressure, 25,000 psi burst pressure, long-lasting, easy to install. The best hoses for the application, at the best price. Ferrari does not sell all hoses as a set - consider getting the full set from us.
Core exchange is currently not available - your cylinders need to be sent in first for rebuild service with 1-3 days turn around. Using the best seals available, far exceeding OEM quality. Ferrari part number 81860400 R.H. REAR ROOF PISTON KIT.
This is the passenger side cylinder that actually lifts the roof assembly. The name "Front Roof Piston" can be confusing because this part is in front of the roof only when the roof is down.
Core exchange is currently not available - your cylinders need to be sent in first for rebuild service. We use the best seals available, far exceeding OEM quality.
Price is per cylinder.
Note: in the unlikely event that there is rust on the chromed cylinder shaft, there will be an additional charge for replacing the cylinder shaft.
Core exchange is available as a special option on the previous page. You send us the cylinder(s) you need to have upgraded, and we will upgrade them to better-than-new condition using the best seals available, far exceeding OEM quality. Price is per cylinder.
Send in your cylinder first for rebuild & upgrade service. Look for the special core exchange option if you want a part shipped first from Top Hydraulics' inventory.
Ferrari p/n 66454300
We make this part better than new inside, with all upgraded seals (including port seals where the hoses go in) and new hoses
Note: in the unlikely event that there is rust on the black, polished cylinder shaft, there will be an additional $100 charge for replacing the cylinder shaft.
Core exchange is currently not available - your cylinders need to be sent in first for rebuild service. We use the best, longest lasting seals available, far exceeding OEM quality.
Ferrari part number 70003528 RH Compartment Cylinder.
Core exchange is available as a special option on the previous page. YCore exchange is currently not available - your cylinders need to be sent in first for rebuild service. We use the best seals available, far exceeding OEM quality.
Price is per cylinder.
Core exchange is currently not available - your cylinders need to be sent in first for rebuild service with 1-3 days turn around. Using the best seals available, far exceeding OEM quality. Ferrari part number 81860900 R.H. TC PISTON KIT.
Special Option: Order from our stock with core exchange.
Includes $200 refundable core deposit.
Ferrari p/n: 66453800