Product Description
BTR Brian Tooley LS1 Bare Rocker Arm (No Bearings)
Fits 1997-2013 4.8L 5.3L 5.7L and 1999-2006 6.0L
Fits exhaust side only on 2007-later 6.0L and 6.2L
LS1 LS2 LS6 LQ4 LQ9 LM7 L33 LH6 LR4 LMG
All new 1.7 ratio drop in design rocker arms for cathedral port heads. Also fits the exhaust side on LS3/Rectangle port heads.
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.
* If you intend to use a Brass Bushing Trunnion kit you may need to hone the rocker arm for proper fit.
