21435-8

Chev Big Block Hydraulic Roller

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Condition

New

Type

Normal

Description

IMPORTANT NOTE: Does not suit Gen 5/Gen 6 thrust plate engines unless a cam button setup is used to control thrust.
Performance cam
Great upper RPM range
Choppy idle
Needs manifold & headers, comp etc and hi stall
See fitting ntoes

$929.73 (Inc. GST)

Out of Stock

IMPORTANT NOTE: Does not suit Gen 5/Gen 6 thrust plate engines unless a cam button setup is used to control thrust.

Performance cam

Great upper RPM range

Choppy idle

Needs manifold & headers, comp etc and hi stall

See fitting notes



Due to the large variation in installed heights for these engines, please refer to our Valve Spring Specification Guide to help select the springs best suited to your application. 

Customer is required to measure distributor shaft OD before purchasing Distributor Gear

RPM Range Part No. Duration with 1.7 Rocker Lobe Sep Angle Lash
Measured Hot
Advertised @.050”
IN EX IN EX IN EX IN EX
3800 - 7000 21435-8 299° 308° 249° 258° .587" .587" 108° HYD HYD

IMPORTANT NOTE: Does not suit Gen 5/Gen 6 thrust plate engines unless a cam button setup is used to control thrust.

Must use performance springs.

Must use performance retainers.

Machining required to fit these components.

Converter stall speed should be equal to or greater than the minimum RPM of the cam power range

 

Due to the large variation in installed heights for these engines, please refer to our Valve Spring Specification Guide to help select the springs best suited to your application. 

Customer is required to measure distributor shaft OD before purchasing Distributor Gear

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