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Howards Cams 120255-12 Hydraulic Roller Camshafts


Howards Cams

Part Number

01/29/2033 11:20 PM
Sale Price


2 left at this price

delivery box

Usually delivered within 2 days

free shipping


No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Howards Cams 120255-12 Hydraulic Roller Camshafts

Howards Cams 120255-12 Hydraulic Roller Cam - BBC Max Torque

Camshaft, Hydraulic Roller Tappet, Advertised Duration 284/288, Lift .578/.618, Chevy, Big Block, Each

Products specifications

Advertised Duration

284 int./288 exh.

Advertised Exhaust Duration


Advertised Intake Duration


Basic Operating RPM Range


Cam Style

Hydraulic roller tappet

Camshaft Manufacturers Description

Fair idle, performance usage. Great midrange torque and power.

Duration at 050 inch Lift

231 int./235 exh.

Exhaust Duration at 050 inch Lift


Exhaust Valve Lift with Factory Rocker Arm Ratio

0.618 in.

Intake Duration at 050 inch Lift


Intake Valve Lift with Factory Rocker Arm Ratio

0.578 in.

Lobe Separation (degrees)



Retrofit roller cam for engines that did not originally come with a roller cam.


Sold individually.

Valve Lift with Factory Rocker Arm Ratio

0.578 int./0.618 exh.

Fast! Fast, fast, Fast! Fast, fastFast! Fast, fast

Overall quick shipping and nothing was missing or broken!<br>A little tricky install but fast with some help.<br>I like the fact that they have competitive pricing and there site is nice and secure.

Autoplicity had the best price on the part I needed and was in stock. Easy ordering process and good correspondence.

Very good price. Super quick delivery. Will def. buy from them again. Highley recomend them

fast shipping and great prices

Great price, very helpful tech support,thanks will buy again<br><br> Chris

Received my product today was happy with the item purchased and will buy again from Autoplicity. Was received in a timely manner and like described

Helpful-reasonable prices-reasonable shipping-prompt.

Fast -regular- shipping even on large items. I was skeptical at first but I am happy and don't regret my purchase!!!

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