

CROWERPART NUMBER: 258-74498F
74498F Legacy Series Shaft Rocke Dart LS7 Pro1 12 Degree, Jesel Rocker Bar Machining, 5/8 Shafts
$2,62399
Legacy Series Shaft Rockers Dart LS7 Pro1 12 Degree # 11061080J Jesel Rocker Bar Machining With 5/8 ShaftsStainless steel shaft rockers for Dart LS7 PRO1 12° heads, precision-matched to head No. 11061080J for valvetrain fit and geometry.
Crower 74498F Features:
Legacy Series stainless steel shaft rockers for Dart LS7 PRO1 12° cylinder heads Fits head part number 11061080J with Jesel rocker bar machining requirements Configured for 5/8 in. shafts for the specified Dart LS7 PRO1 12° application Crower part number 74498F performance valvetrain rocker kit for matched head setup
Legacy Series Shaft Rocke Dart LS7 Pro1 12 Degree, Features:
- Stainless steel shaft rockers for Dart LS7 PRO1 12° heads, precision-matched to head No. 11061080J for valvetrain fit and geometry.
- Jesel rocker bar machining compatibility with 5/8 in. shafts, supporting a race-ready shaft-mount valvetrain configuration.
- Legacy Series rocker system engineered for LS7 PRO1 12-degree applications, helping deliver stable rocker alignment at high RPM.
- Application-specific shaft rocker kit reduces fitment guesswork for Dart 12-degree cylinder head combinations using Jesel-style bar machining.
- Optional needle-bearing tip upgrade available with part No. 73715R-16, offering a performance-oriented valvetrain enhancement path.
Part TypeRocker Arm
BrandCROWER
Package Height3.0
Package Width10.25
Package Length24.75
Weight19.0 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number74498F
Package Qty1
Package TypeEA
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