Description_ASM |
Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. Does not fit LT1/LT4, or factory roller Small Blocks built from 1985 and newer. GM gradually added roller camshafts to 305's and 350's from the mid 80's forward. Camaros/Firebirds/Corvettes received the roller cams early, but many trucks and SUV's had flat tappet cams until the mid 90's. Remove the intake or timing cover to confirm whether the block is a factory roller or flat tappet. Does not fit the LS1, LS2, LS3 or any LS-based 4.8, 5.3, 5.7, 6.0 and 6.2. 1955-1957 Chevrolet 265 engines require a groove on the 5th cam journal for oiling. Contact us for more information. |
Description_DEF |
Engine Camshaft |
Description_DES |
Xtreme Energy 250/256 Hydraulic Flat Cam for Chevrolet Small Block |
Description_KEY |
265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10 |
Description_INV |
XE 250/256 Hyd Flat Cam SBC |
Description_EXT |
Pro Street/bracket, needs good intake, headers, gear and 3300+ stall. |
Description_SHO |
XE 250/256 HFT SBC |
Description_SHP |
None |
Camshaft Series |
Xtreme Energy |
California Proposition 65 |
WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
Lifter Type |
Hydraulic Flat Tappet |
SK-Kit Upgrade |
SK12-254-3 |
C.A.R.B. Exempt for On-Road Vehicles? |
No |
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? |
Yes, but must meet tailpipe emission standards for year of vehicle. |
Intake Duration at .050 Inch Lift |
250 |
Lobe Separation |
110 |
C.A.R.B. E.O. Number |
N/A |
Advertised Exhaust Duration |
306 |
Title |
Xtreme Energy 250/256 Hydraulic Flat Cam for Chevrolet Small Block |
Exhaust Duration at .050 inch Lift |
256 |
Camshaft Material |
Cast Iron |
Engine Family |
Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) |
K-Kit Upgrade |
K12-254-3 |
Lifters Included |
No |
Exhaust Valve Lift |
0.523 |
Advertised Intake Duration |
294 |
Usage |
Street/Performance |
Assembly Lubricant Included |
Yes |
Grind Number |
XE294H |
Camshaft Gear Attachment |
3-Bolt |
Valve Springs Required |
Yes |
Cam and Lifter Kit Upgrade |
CL12-254-3 |
Basic Operating RPM Range |
2,800-7000 |
Intake Valve Lift |
0.519 |
C.A.R.B. Exemption Reason |
N/A |
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 Federally Certified Vehicles Manufactured Before 1967? |
Yes, but must meet tailpipe emission standards for year of vehicle. |
Amazon ASIN |
B000CEQDD2 |
Cam Type |
Hydraulic Flat Tappet |
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? |
Yes, but must be a race/competition only vehicle. |
Length |
3.0000 |
Width |
3.0000 |
Height |
24.0000 |
Weight |
9.0000 |