The following are recommendations only and may not work for all applications. *See notes regarding pushrod length.

GX200 and 6.5clones
● 5.260 Stock Length: Use with stamped rocker arms
● 5.160 (-.100): Use with billet and roller tip rocker arms
● 5.110 (-.150): Use with billet/roller tip rockers along with extensive milling (>.065")
● 5.440 (+.180): Allows use of 160 lifters in 200 blocks to reduce valve train weight. Reduces combined lifter/pushrod weight by approximately 7%. Use with stamped rocker arms.
● 5.340 (+.080): Allows use of 160 lifters in 200 blocks with billet or roller rockers. Also may be used with some aluminum rockers.

212 Predators (Old Style) Non-Hemi
● 5.200 Stock length
● 5.110: Use with billet and roller rockers
● 5.260: Use with aluminum rocker arms

212 Predators (Hemi Head)
● 5.540 Stock Length: For most applications (use with stock rockers)
● 5.440 (-.100): Use with extensive milling and stock rockers
● 5.260: Use with NR Racing hemi rollers
● 5.160: Use with NR Racing hemi rollers and heads milled .065 or more, also with large base circle cams.

GX240/GX270s
● 5.720 Stock Length: Use with stamped rocker arms
● 5.620 (-.100): Use with billet and roller rocker arms

Pushrods  

Heavy Duty Chrome Moly Pushrods are considerably stiffer than stock. Use with all heavy duty springs. Capable of 10,000+ RPM!

*ALL PUSHRODS SOLD INDIVIDUALLY; HOWEVER, YOU MUST USE 2 PER MOTOR.