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COMP Cams 11-602-4 Thumpr 243/257 Hydraulic Flat Cam for Chevrolet Big Block 396-454
✅ In stock
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 17, 2026 9:19 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰At 33% above its usual rate, this is currently priced higher than what most shoppers have paid.
- 📉Pricing has not dipped this low in roughly six months, placing this offer among the better deals in that window.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
4.51/22
Market Standing
5.83/20
Deal Strength
10/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
JEGS
🚚 Shipping
Free Shipping
Product Details
✓HYDRAULIC - Big Mutha' Thumpr: Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
✓295/312 Advertised Duration, 243/257 Duration @ .050 inch, .522 inch/.507 inch Lift, 107 Lobe Separation
✓Valve spring upgrade required
⚙️ Specifications
Brand
Comp Cams
Compatible Devices
Monitor
Installation Type
Surface Mount
Optical Sensor Technology
CCD CMOS
Optical Sensor Size
1/3 inch
UPC
036584176374
Manufacturer
COMP Cams
Global Trade Identification Number
00036584176374
Model
COMP Cams
Item Weight
10.21 pounds
Item model number
11-602-4
