Expected compression ratio's for unmodified heads with stock pistons will approximately be 9

Jims Powerglide™ tappets will give you a superior hydraulic function when compared with OEM style equipment

STANDARD (WIDE)

5:1 compression ratio

S&S Oilpump FL/FX 36-72 Växellåda &Trans Expected compression ratio's for unmodifiedFully CNC machined to maintain close tolerance and strict quality control. Requires a 73 77 breather gear. Only this 36 72 style pump offers an adjustable primary chain oiling system. This pump is not equipped with a rear chain oiling provision. Offers several options for oil line placement. All S&S billet pumps comes complete with everything you need to replace the stock pump and include mounting instructions. Machined with an oil pressure relief