Help is just a click away!
Click here to chat with a Speedway Team Member
💬
Online - Chat with us!
Chat
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
in
in
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$575.99
$574.99
COMP Cams SK08-500-8 Xtreme Energy Hyd. Roller Camshaft Kit, GM 5/5.7L
COMP Cams SK08-500-8 Xtreme Energy Hyd. Roller Camshaft Kit, GM 5/5.7L

COMP Cams SK08-500-8 Xtreme Energy Hyd. Roller Camshaft Kit, GM 5/5.7L

305 Chevy Small Block V8, 350 Chevy Small Block V8, Hydraulic Roller Tappet Camshaft Type

0 Reviews | 0 Answered Questions
Factory Shipped
Ships FREE
Select your vehicle to verify fitment.
Select Vehicle
COMP Cams SK08-500-8 Xtreme Energy Hyd. Roller Camshaft Kit, GM 5/5.7L
COMP Cams SK08-500-8 Xtreme Energy Hyd. Roller Camshaft Kit, GM 5/5.7L
Zoomed In Image
We estimate this item will ship on or before December 31st.
Part # 282SK085008
$574.99
$575.99
each
Quantity:
Add to Cart
Call to Order
Add to Buildlist
Compare

Details
Reviews
Q&A
Videos & Articles

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for COMP Cams to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Camshaft Type:
Hydraulic Roller Tappet
Intake Duration:
258
Exhaust Duration:
264
RPM Range:
1000 to 5000
Lobe Separation:
112 °
Intake Duration (.050" Lift):
206
Exhaust Duration (.050" Lift):
212
GTIN Code:
036584068754
MFG. Part #:
SK08-500-8
Grind Number:
XR258HR
Intake Valve Lift w/ Rocker Arm Ratio:
0.48"
Exhaust Valve Lift w/ Rocker Arm Ratio:
0.488"
External Ignition Box Required:
Yes
Valve Springs Required:
Yes
Valve Spring Included:
No
Lifter Type:
Hydraulic Roller
Lifters Included:
Yes
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
No
Timing Chain and Gears Included:
Yes
Assembly Lubricant Included:
No
Rocker Arms Included:
No
Gaskets Included:
No
Sold in Quantity:
Kit

Info

SK08-500-8 - Camshaft Kit, CS XR258HR-12.

Xtreme Energy Computer Controlled 1987-1998 305-350 Originally Equipped With Hydraulic Roller Camshaft, Except LT1 and LT4. Hydraulic Roller-For throttle body 305 or 350, very good economy and power. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

  • Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
  • More vacuum allows an increase in duration for improved performance & assists power brakes
  • Excellent performance in street carbureted applications
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios, etc.

Application

1987-98 Chevy 305-350
Some parts are not legal for use in California or other states with similar laws/regulations

Related Products

More Like This

Reviews

Q & A

Videos & Articles
  • What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
  • Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!
  • One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.
  • Tim M. has tried to stay true to the vintage route, but sometimes, exceptions must be made. For example, the original oiling system's paper element and canister are functional, but an upgraded system will be more reliable.

You May Also Like

Suggestions
Error
Note
Ok