Outstanding service | Free Ground Shipping | No Backorders Ever | 30 Day Return Policy

  • Product Image 1
  • Product Image 2
  • Product Image 3
  • Product Image 4
  • Product Image 5
1 5

COMP Cams 11-252-4 - Camshaft CB XM 298H-12

COMP Cams 11-252-4 - Camshaft CB XM 298H-12

COMP Cams | 11-252-4
SKU: COMP-11-252-4
$320.99 USD
$353.09 USD $320.99 USD
Sale Sold out
Shipping calculated at checkout.

Low stock: 1 left

DISCLAIMER: This Item Is Special Ordered, which may have cancellation or return restrictions. Please see our terms and conditions for more information.

COMP Cams 11-252-4 - Camshaft CB XM 298H-12

Xtreme Marine 254/264 Hydraulic Flat Cam for Chevrolet Big Block 396-454

Jet w/ B impeller, 10:1+ compression, river drags, bracket racing.

BBC - 1965-66 396 c.i.d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.

Grind Number: XM298H
Basic Operating RPM Range: 3200-6,800
Intake Duration at .050 Inch Lift: 254
Exhaust Duration at .050 inch Lift: 264
Advertised Intake Duration: 298
Advertised Exhaust Duration: 316
Lobe Separation: 112
Intake Valve Lift: 0.575
Exhaust Valve Lift: 0.578
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: Yes
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Cast Iron
Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Cam and Lifter Kit Upgrade: CL11-252-4
K-Kit Upgrade: K11-252-4
Lifter Type: Hydraulic Flat Tappet
SK-Kit Upgrade: SK11-252-4
Amazon ASIN: B000P5B5AO
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. 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 California Certified Vehicles Manufactured Before 1965?: 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. Exemption Reason: N/A
C.A.R.B. E.O. Number: N/A
Grind Number: XM298H
Camshaft Series: Xtreme Marine
Usage: Marine
Cam Type: Hydraulic Flat Tappet
View full details