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RKR-LS-1.7E-R1 Bare Rocker Arm, GM LS1/LS2/LS6, 1.7 Ratio
InfoVehicle Info Needed
BRIAN TOOLEY RACING BTRPART NUMBER: 559-J000129

RKR-LS-1.7E-R1 Bare Rocker Arm, GM LS1/LS2/LS6, 1.7 Ratio

$999
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

Rocker Arms
Bare Rocker Arm
  • GM LS1/LS2/LS6
  • 1.7 Ratio
  • INT & EXH (Also GM LS3 EXH Only)
  • Sold Individually

    Brian Tooley Racing BTR RKR-LS-1.7E-R1 Features:

    • All new 1.7 ratio drop in design rocker arms for cathedral port and square port (exhaust only)
    • Redesigned top rails and EDM oiling port cut towards the tip of the rocker to increase oiling to the valve tip
    • 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
    • Part TypeRocker Arm
    BrandBRIAN TOOLEY RACING BTR
    Package Height2.0
    Package Width4.0
    Package Length4.0
    Weight1.0 PG
    Part CategoryReplacement Parts
    Rocker Arm Ratio1.7
    Shims IncludedNo
    Self AligningNo
    Rocker Arm FinishNatural
    Part FitmentSemi Universal
    Rocker Arm MaterialSteel
    Mounting TypeBolt
    Vendor Part NumberRKR-LS-1.7E-R1
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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