Rollin' Thunder Hydraulic Roller Camshaft for 1965-1995 Big Block Chevy 396-502 Mark IV & Gen V

Name: Rollin' Thunder Hydraulic Roller Camshaft for 1965-1995 Big Block Chevy 396-502 Mark IV & Gen V
Brand: EDELBROCK
SKU: 350-2261
Price: 583.95 USD
Availability: InStock

^$583⁹⁵

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Big Block Chevy

1965-1995 Big Block Chevy 396-502ci Mark IV & Gen V
Lift: .625''/.639''
Duration @ .050: 236°/245°
Advertised Duration: 335°/329°

1500-6500 RPM Range

Cam Notes: This camshaft works great when matched with Victor Jr. intake manifold p/n 350-2902and Victor Jr. 24° cylinder heads p/n 350-77485; this combo produces 612 HP / 581 ft.-lbs. oftorque (Tested on a GM ZZ-502 shortblock). 1965-66 B/B Chevys require agroove be machined in the rear cam journal for oil pressure. Matching Edelbrock roller tappet lifter setp/n 350-97433
Use with high stall torque converter only.
Use only stock ratio rocker arms.

Operating Range	1500-6500 RPM
Duration Advertised	335° Intake/329° Exhaust
Duration @ .050'	236° Intake/245° Exhaust
Lift @ Valve	.625' Intake/.639' Exhaust
Lift @ Cam	.368' Intake/.376' Exhaust
Lobe Separation Angle	112°
Intake Centerline	109°
Intake Timing @ .050"	Open 6° BTDC Close 51° ABDC
Exhaust Timing @ .050"	Open 54° BBDC Close 11° ATDC

Important Application Information:
Rollin Thunder Hydraulic Roller cams are for street high-performance and racing applications only - not for heavy vehicles. Use with Edelbrock Performer RPM heads (or other aftermarket heads), adjustable valvetrain components, screw-in studs, high performance adjustable rocker arms and at least 9.5:1 compression ratio. Headers, high-energy ignitions, lower-than-stock rear gearing and a high-performance torque converter (in auto. transmission equipped vehicles) are necessary.

INSTALLATION NOTES: Do not use late model timing chain and gear sets that are designed for emission-controlled engines. They are machined in a retarded position and are not recommended for this camshaft installation. Use Performer-Link Timing Chain Gear Set 350-7810, or Accu-Drive 350-7891.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeCamshaft

BrandEDELBROCK

Package Height3.6

Package Width3.7

Package Length24.8

Weight10.85 PG

Part CategoryPerformance Parts

Exh. Duration @ .050 In. (Deg)245

Cam StyleHydraulic roller tappet

Exh. Duration Advertised (Deg)329

Engine Make/SizeChevy 454