Trans-Dapt Valve Cover Hex Head Nuts 4.25" Tall HYPL11SASM61 Individual cylinder fuel and spark

Individual cylinder fuel and spark control allows you to unlock your engine's potential

#4275 are designed to clear most roller rockers on factory cast iron and Edelbrock cylinder heads

Optimized race calibration

A urethane plug is also included if you wish to completely seal the air box

GM A-body / F-Body / G-Body / X-Body 1964-74

Trans-Dapt Valve Cover Hex Head Nuts 4.25" Tall HYPL11SASM61 Individual cylinder fuel and sparkTrans Dapt Performance 1 4" 20 X 4 1 4" "Hex Stud" Style Valve Cover Bolts Chrome Trans Dapt Valve Cover Hex Head Nuts 9182 4. 25" Tall 1 4 20 x 1" Threads Chrome 4 pc. Valve Cover Hex Head Nuts Each member company of the Hedman Performance Group is a specialist in the field they serve. Hedman hedders specializes in headers, Trans Dapt Engine transmission swap mounts, and Hamburger's focuses on oil pans. Trans Dapt offers a wide range of custom engine