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Comp Cams Camshaft 12-243-3; Xtreme 4×4 1800 to 6000 RPM 0.480 in. 0.498 in. Hydraulic Flat Tappet for Chevy 262 to 400
$258.95
Part #: 12-243-3
Brand: Comp Cams
UPC: 036584038214
Estimated Ship Date: 4/8/2026 (From manufacturer)
This item ships free with qualifying orders of $150 or more.
See our shipping policy for more details.
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We recommend this alternative part:
Details
- Improved throttle response and increased low & mid-range RPM horsepower for towing and off-road
- Designed for use with common restrictive factory exhaust systems, including OEM exhaust manifolds
- Strong vacuum
- Excellent in high performance applications
- Good low to mid-range torqueNot legal for sale or use on pollution controlled motor vehicles.
Product Description
All Comp Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.
Specifications
- Camshaft Series:
- Xtreme 4x4
- Make:
- Chevy
- Engine:
- 262 to 400
- Camshaft Type:
- Hydraulic Flat Tappet
- RPM Range:
- 1800 to 6000 RPM
- Intake Valve Lift:
- 0.480 in.
- Exhaust Valve Lift:
- 0.498 in.
- Advertised Intake Duration:
- 270 deg.
- Advertised Exhaust Duration:
- 278 deg.
- Intake Duration @ .050":
- 226 deg.
- Exhaust Duration @ .050":
- 234 deg.
- Lobe Separation:
- 111 deg.
- Firing Order:
- Standard
- Cam Gear Attachment:
- 3 Bolt
- Camshaft Material:
- Cast Iron
- Camshaft Grind Number:
- X4270H
- Usage:
- Street Performance
- Requires Aftermarket Valve Springs:
- Yes - 981-16, 26981-16
- Notes:
- Use iron or composite distributor gear.
- Quantity:
- Sold As Each
