Eibach Spring Rear 13" x 5" x 225# Platinum 3550224-104- XL Keeping track of the vacuum

Keeping track of the vacuum and boost on your forced induction application is critical for extracting the most power safely while keeping your engine in the powerband

Installation Notes: Recommended intake gasket: Fel-Pro #1262 or #1262R

With a patented orifice metering valve and a lightweight check valve disc these High Energy hydraulic flat lifters for Ford 352-428 provide quicker response and better performance

1967-1974 Chevrolet Corvette

Ideal for Engine Swaps & Vehicles That Use After-Market Master Cylinders w/ the OE Clutch Release Bearing

Eibach Spring Rear 13" x 5" x 225# Platinum 3550224-104- XL Keeping track of the vacuumEibach Spring Rear 13in x 5in x 225# Platinum Features: Coil Spring Platinum Conventional 5. 0 in OD 13. 000 in Length 225 lb. in Spring Rate Rear Silver Powder Coat Sold Individually More Travel Deflection than Standard Racing Coil Springs Block Resistant No Loss in Spring Height! Flat Ground End Configuration with Parallel Tolerance to + 1 Degree The Eibach ER Platinum Springs will Maintain Their Dimensions and Rates to Incredibly Tight Tolerances,