Product Description
BTR Brian Tooley LS1 Rocker Arm No Bearing
4.8 5.3 5.7 6.0 LS1 LS2 LS6 LS2 LS6
LQ4 LQ9 LY5 LY6 LM7 L33
All new 1.7 ratio drop in design rocker arms for cathedral port and square port (exhaust only).
46% Stronger than stock Chevrolet rockers in FEA analysis.
Extended tip design allows for higher valve lift and improved valve tip durability.
Superior Moment of Inertia compared to roller tip rockers for max RPM.
ALSO WORKS ON THE EXHAUST SIDE OF A L92/LS3 HEAD.
* If you intend to use a Brass Bushing Bearing Trunion kit you may need to hone the rocker arm for proper fit.
