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Long Slot

We are pleased to introduce our new Long Slot Rocker Arms for Small & Big Block Chevy V-8's.

  • Improved Heat Treat
  • Long Slot Design

They are ideal for high performance street, bracket racing and oval track (high-lift hydraulic and solid lifter cam) applications where a high performance, stock appearing rocker arm is either desired or required.

These precision rockers have the added insurance of a longer slot to prevent rocker to stud interference, common with stock-type rocker arms when valve lifts exceed .450-.500".

They are heat treated for added reliability and are also supplied with our new "grooved" rocker arm pivot balls to ensure adequate lubrication. Also supplied is a container of Isky Rev-Lube with XP-2000 for troube free break-in!

Isky's Roller Tip Rocker Arms are stamped from high strength alloy steel and specially heat treated to resist rocker arm flex. They are engineered with the longer slot for use with higher lift hydraulic and solid lifter cams over .500".

  • Increase Horsepower
  • Reduce Tip-Rocker Friction
  • Long Slot Design
  • H-11 Tool Steel Roller & Pin Assembly

Each kit comes comlete with our popular "Poly-Lock" adjusting nuts and grooved rocker pivot balls for added lubrication. Isky roller tip rocker arms are ideal for high performance street, bracket racing and oval track were a roller tip rocker is allowed, yet an otherwise stock appearing rocker arm is required. Also supplied is a one ounce container of Isky Rev-Lube with XP-2000 for trouble free break-in!




   Part No. Application Ratio Stud
  Long Slot Rocker Arm 2015-LSR Small Block Chevy V-8 1.5 3/8
2016-LSR Small Block Chevy V-8 1.6 3/8
2017-LSR Small Block Chevy V-8 1.5 7/16
2018-LSR Small Block Chevy V-8 1.6 7/16
3960-LSR Big Block Chevy V-8 1.72 7/16
  Roller Tip Rocker Arms 2025-RTR Small Block Chevy V-8 1.5 3/8
2026-RTR Small Block Chevy V-8 1.6 3/8
2027-RTR Small Block Chevy V-8 1.5 7/16
2028-RTR Small Block Chevy V-8 1.6 7/16
3980-RTR Big Block Chevy V-8 1.72 7/16
  Rocker Arm Pivot Balls 200-RAPB Small Block Chevy V-8   3/8
300-RAPB Small Block Chevy V-8
"Tuffride Coat" Heat Treated, wear-resisting finish for high load applications
  7/16
400-RAPB Small Block Chevy V-8   7/16