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Return to Parts List Category : N- Tools & Books HUG 8100 ADJUSTABLE CHECKING LIFTER $50.00 Pushrod length is critical in obtaining proper valvetrain geometry. Improper geometry will rob your engine of horsepower. We provide this tool along with detailed instructions on how to properly determine the length of the pushrods. With its screw adjustable plunger, this tool can be used to simulate the preload on a hydraulic lifter. Detailed instructions for the proper preload for your application are included. The $50.00  fee is a refundable deposit. As long as you buy a set of pushrods from us, the full $50.00  payment will be applied to the purchase price of the new pushrods. Fits all Small Block and Big Block engines