Rocker Arms - SBC 1.6 Ratio 7/16 Stud

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SKU:CRO73641-8

SKU: CRO73641-8

MPN: 73641-8

Info

SKU:
CRO73641-8
MPN:
73641-8

Description

The Rocker Arms - SBC 1.6 Ratio 7/16 Stud are engineered for Small Block Chevy enthusiasts looking to optimize valve lift and valvetrain stability in high-performance applications. By increasing the rocker ratio to 1.60, these components allow for more aggressive valve opening without the need for a complete camshaft swap, making them a popular choice for street and track builds. Designed to mount on standard 7/16-inch studs, this set of eight provides a direct upgrade for those seeking to maximize the volumetric efficiency of their engine. Whether you are rebuilding a classic muscle car or tuning a performance crate motor, these rockers offer the precision necessary for consistent power delivery.

Constructed from high-strength stainless steel, these Crower Enduro series rockers are built to withstand the extreme thermal and mechanical stresses of high-RPM operation. The full roller design features needle bearings at the fulcrum and a roller tip, which significantly reduces friction and parasitic drag compared to traditional stamped steel rockers. This reduction in friction not only lowers operating temperatures but also minimizes wear on the valve stems and guides over extended use. The 7/16-inch stud mount configuration ensures a rigid foundation, preventing the flex often associated with smaller studs during high-lift events.

The Rocker Arms - SBC 1.6 Ratio 7/16 Stud are specifically designed for the Small Block Chevy platform and come as a set of eight to cover one cylinder head. Installation requires 7/16-inch rocker studs and may necessitate checking for proper pushrod length and valve cover clearance due to the increased ratio and body size. These rockers are ideal for endurance racing, performance street driving, and any application where valvetrain reliability is paramount. By providing a more precise transfer of motion from the pushrod to the valve, they ensure your engine maintains its timing and performance under heavy load.

SpecificationDetail
Brand
CROWER
MPN / Part Number
73641-8
SKU
CRO73641-8
Weight
4.75 lbs
Dimensions
4 x 3.4 x 13 in
Rocker Ratio
1.60
Stud Size
7/16 inch
Material
Stainless Steel
Rocker Design
Full Roller
Platform Compatibility
Small Block Chevy (SBC)
Series
Enduro
Quantity
Set of 8

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