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Ultra Pro Magnum Rocker Arms Chevy Small Block V8 265-400
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-1618-1

Ultra Pro Magnum Rocker Arms Chevy Small Block V8 265-400

$3395
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

Chevy Small Block
    Ultra Pro Magnum Rocker Arms
  • Chevy Small Block V8 265-400
  • 1988 and Later With Self Aligning Rockers
  • Rocker Stud: 3/8"
  • Ratio: 1.6
  • 1/pkg

  • 8650 Chromemoly Steel
  • 29 Percent Stronger Than Pro Magnum
  • Redesigned Steel Stud Mount Rocker
  • Reduced Weight And Greater Strength
  • Increased High RPM Stability
  • Black Oxide Exterior Finish
  • Increased Retainer And Valve Spring Clearances
  • Lifetime Warranty

    265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10


    This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.6 ratio, this rocker fits '88+ Chevrolet Small Block and V6 with a 3/8" diameter stud.
Part TypeRocker Arm
BrandCOMP CAMS
Package Height2.0
Package Width3.75
Package Length6.5
Weight0.56 PG
Part CategoryPerformance Parts
Arm FinishBlack oxide
Rocker Arm Ratio1.6
Shims IncludedNo
PositionN/A
Stud Size 0.3750
Rocker Arm Nut StylePolylock
QuantitySold individually
Rocker Arm Mounting StyleStud
Engine Make/SizeChevy 200-262
Self-AligningYes
Rocker Arm StyleFull roller
Rocker Arm Body StyleStandard
Arm MaterialChromoly steel
Ratio1.6
Vendor Part Number1618-1
Package Qty1
Package TypeEA
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