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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-1810-1
Ultra Pro Magnum XD Rocker Arms Small Block Chevy 265-400
$5295
Ships on Sep 14, 2026
Lowest Price GuaranteeSmall Block Chevy 265-400
- Ultra Pro Magnum XD Rocker Arms
- Small Block Chevy 265-400
- 1.5 Ratio
- 1/2" Stud
- 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
Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1810 rocker features a 1.55 ratio for use with 1/2" stud Chevrolet V6 and 265-400 Small Block.
Part TypeRocker Arm
BrandCOMP CAMS
Package Height2.0
Package Width3.75
Package Length6.5
Weight1.0 PG
Part CategoryPerformance Parts
PositionN/A
Stud Size 0.5
Ratio1.5
Engine Make/SizeChevy Small Block (262-400)
Vendor Part Number1810-1
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
