Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

COMP Cams Camshaft Kit CS XR300HR-10

SKU: CCAK08-444-8

Engine Camshaft Kit

CCA Camshaft Kits...

COMP Cams Camshaft Kit CS XR300HR-10

SKU: CCAK08-444-8

Engine Camshaft Kit

CCA Camshaft Kits...

A$2,573.11
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

K-KIT - Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions.

Product Overview

COMP Cams offers complete component-matched valve train kits that deliver unbeatable performance, durability and ease of installation. All cam kits are fully tested and manufactured to the strictest standards. Each kit’s components were specifically chosen as the best performance match for that particular camshaft so that you can reap the benefits of a perfectly matched “Power Engineered System.” *K-Kit - Complete Kit Includes* * Camshaft * Lifters * Valve Springs * Retainers * Valve Locks * Valve Stem Seals * Assembly Lube * Decals * Instructions

Product Details

Advertised Exhaust Duration:306
Advertised Intake Duration:300
Amazon ASIN:B001R99QLW
Assembly Lubricant Included:No
Basic Operating RPM Range:3200-6,200
C.A.R.B. E.O. Number:N/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?:Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?:No
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?:Yes, but must be a race/competition only vehicle.
C.A.R.B. Exemption Reason:N/A
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam Type:Hydraulic Roller
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Austempered Ductile Iron
Camshaft Series:Xtreme Energy
Description:Xtreme Energy 248/254 Hydraulic Roller K-Kit for OE Roller SBC
Engine Family:Chevrolet 305-350 c.i. 8 Cylinder O.E. Roller (1987-1998)
Exhaust Duration @ .050 in.:254
Exhaust Duration at .050 inch Lift:254
Exhaust Duration:306
Exhaust Valve Lift(in):0.58
Exhaust Valve Lift:0.58
Gaskets Included:No
Intake Duration @ .050 in.:248
Intake Duration at .050 Inch Lift:248
Intake Duration:300
Intake Valve Lift(in):0.562
Intake Valve Lift:0.562
Kit Type:K-Kit - Complete Kit
Lifter Type:Hydraulic Roller
Lifters Included:Yes
Lobe Separation:110
Part Number:ccaK08-444-8
RPM Range:3000-9000
Timing Chain and Gears Included:Yes
Title:Xtreme Energy 248/254 Hydraulic Roller K-Kit for OE Roller SBC
Usage:Street/Performance
Valve Springs Included:Yes
Valve Stem Seals Included:Yes

Application Summary

Fits '87+ GEN 1 Chevrolet 305-350 Small Blocks w/ Factory Roller Camshafts (Not LT-1/LS1 etc)

Part Type

Engine Camshaft Kit

Data: v4.2 - Upd: 2026-10-14 07:49:42

Specifications

Advertised Exhaust Duration:
306
Advertised Intake Duration:
300
Amazon ASIN:
B001R99QLW
Assembly Lubricant Included:
No
Basic Operating RPM Range:
3200-6,200
C.A.R.B. E.O. Number:
N/A
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?:
Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?:
Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?:
Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?:
No
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?:
Yes, but must be a race/competition only vehicle.
C.A.R.B. Exemption Reason:
N/A
California Proposition 65:
WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam Type:
Hydraulic Roller
Camshaft Gear Attachment:
3-Bolt
Camshaft Material:
Austempered Ductile Iron
Camshaft Series:
Xtreme Energy
Description:
Xtreme Energy 248/254 Hydraulic Roller K-Kit for OE Roller SBC
Engine Family:
Chevrolet 305-350 c.i. 8 Cylinder O.E. Roller (1987-1998)
Exhaust Duration @ .050 in.:
254
Exhaust Duration at .050 inch Lift:
254
Exhaust Duration:
306
Exhaust Valve Lift(in):
0.58
Exhaust Valve Lift:
0.58
Gaskets Included:
No
Intake Duration @ .050 in.:
248
Intake Duration at .050 Inch Lift:
248
Intake Duration:
300
Intake Valve Lift(in):
0.562
Intake Valve Lift:
0.562
Kit Type:
K-Kit - Complete Kit
Lifter Type:
Hydraulic Roller
Lifters Included:
Yes
Lobe Separation:
110
Part Number:
ccaK08-444-8
RPM Range:
3000-9000
Timing Chain and Gears Included:
Yes
Title:
Xtreme Energy 248/254 Hydraulic Roller K-Kit for OE Roller SBC
Usage:
Street/Performance
Valve Springs Included:
Yes
Valve Stem Seals Included:
Yes

Reference Information

Brand Name/s Comp Cams
StreetFX SKU ccaK08-444-8
SFX Item ID 4123570
Supplier Item Code 4123570
Manufacturer SKU K08-444-8
Manufacturer UPC 36584034391
Alternative References l46, l48, l65, lm1, lt-1, l82

Compatibility

Fits '87+ GEN 1 Chevrolet 305-350 Small Blocks w/ Factory Roller Camshafts (Not LT-1/LS1 etc)

Loading compatibility information...

Keep shopping

More from Comp Cams