PennGrade 1 Partial Synthetic SAE 10W-40 High Performance Oil - Case of 12 - 1 Quart Bottles Battery Terminal Boot these are the details that

these are the details that most low-cost competitors leave out of their heads

This pulley is made to accept a 1/2" shaft

3/5 approved

Shoulders are 2" width to accommodate a HANS or other Head & Neck Restraint Device and adjust from 26" to 62" in length

105 in Springs

PennGrade 1 Partial Synthetic SAE 10W-40 High Performance Oil - Case of 12 - 1 Quart Bottles Battery Terminal Boot these are the details thatDesigned to meet the lubrication demands of traditional classic and muscle car engines as well as high performance competition engines, Brad Penn(R) Penn Grade 1(R) Partial Synthetic SAE 10W 40 High Performance Oil offers the multi viscosity advantages of faster oil flow and engine warm up as well as excellent film strength and engine component anti wear protection. PENN GRADE 1(R) High Performance Oils are specially formulated using high quality PENN