18th Jul 2026, 11:31 AM
COMP Cams CL12-602-4 Big Mutha' Thumpr 243 /257 Hydraulic Flat Cam /Lifter Kit Chevrolet Small Block
Price may vary by location, shipping cost, and availability.
$397.95
Highest: $421.14
Average: $267.79
Lowest: $124.99
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history of COMP Cams CL12-602-4 Big Mutha' Thumpr 243 /257 Hydraulic Flat Cam /Lifter Kit Chevrolet Small Block here. This product's current Price in USA is $397.95. The average and highest prices are $267.79 and $421.14 respectively.
| Lowest Ever Price | $124.99 |
|---|---|
| 6th Jan 2013 | |
| Average Price | $267.79 |
| Based on 5581 days price tracking | |
| Highest Price | $421.14 |
| 13th Mar 2026 | |
Price History of All Variants of COMP Cams CL12-602-4 Big Mutha Thumpr 243...
Current Price in USA
| Price | $397.95 |
|---|
Recent Price Drops on COMP Cams CL12-602-4 Big Mutha' Thumpr 243 /257 Hydraulic Flat Cam /Lifter Kit Chevrolet Small Block
Price Drop 20th Mar 2026
$421.14 → $390.95
7.17% drop
Price Drop 17th Dec 2024
$349.00 → $292.76
16.11% drop
Price Drop 26th Nov 2024
$365.95 → $292.76
20% drop
Price Drop 6th Dec 2023
$375.48 → $325.70
13.26% drop
Price Drop 30th Nov 2023
$375.48 → $325.70
13.26% drop
Price Drop 3rd Aug 2022
$296.07 → $281.01
5.09% drop
Price Drop 18th Apr 2022
$270.95 → $255.82
5.58% drop
Price Drop 13th Apr 2022
$270.95 → $255.82
5.58% drop
Price Drop 22nd Jan 2022
$286.34 → $270.95
5.37% drop
Price Drop 16th Oct 2021
$275.04 → $234.95
14.58% drop
Price Drop 1st Oct 2021
$257.95 → $244.95
5.04% drop
Price Drop 14th Jul 2021
$249.38 → $234.95
5.79% drop
Price Drop 23rd Jun 2021
$295.65 → $235.99
20.18% drop
Price Drop 26th Jan 2021
$235.99 → $207.28
12.17% drop
Price Drop 22nd Jan 2021
$248.72 → $235.99
5.12% drop
Price Drop 19th Jan 2021
$248.74 → $232.91
6.36% drop
Price Drop 13th Jan 2021
$248.74 → $235.99
5.13% drop
Price Drop 28th Dec 2020
$232.91 → $207.28
11% drop
Price Drop 9th Sep 2020
$232.99 → $207.23
11.06% drop
Price Drop 14th Jul 2020
$232.98 → $207.23
11.05% drop
Price Drop 28th May 2020
$232.99 → $207.28
11.03% drop
Price Drop 22nd May 2020
$232.98 → $207.28
11.03% drop
Price Drop 19th Jun 2019
$212.98 → $198.32
6.88% drop
Price Drop 9th Mar 2018
$177.12 → $139.48
21.25% drop
Price Drop 4th Mar 2018
$189.00 → $177.12
6.29% drop
Price Drop 5th Jan 2013
$190.55 → $124.99
34.41% drop
Product Information
Details
| Product Name | COMP Cams CL12-602-4 Big Mutha' Thumpr 243 /257 Hydraulic Flat Cam /Lifter Kit Chevrolet Small Block |
|---|---|
| Store Product Code | B002EE5CMG |
| Store Name | amazon.com |
| Brand | Comp Cams |
| Rating | 9.2 / 10 |
| Category | Cam & Lifter Kits |
| Product Manufacturer | COMP Cams |
| Model Number | CL12-602-4 |
| Dimensions | 25.3 x 5.4 x 3 inches |
Features
- Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
- 2,500-6,400 RPM Operating Range
- 243/257 Duration at .050". 107 Degree Lobe Separation Angle. 0.500"/0.486" Valve Lift
- CL Kits include a camshaft, a set of lifters, instructions and assembly lubricant.
- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note. Best with aftermarket converters and more rear gear.
- Perfect choice for muscle cars and street rods - Three unique cam designs: Thumpr, Mutha' Thumpr and Big Mutha' Thumpr deliver excellent horsepower gains and broad torque curve.
- 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.
- Made in USA
Images
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Rating and Reviews
9.2 Based on 35 reviews
COMP Cams CL12-602-4 Big Mutha Thumpr 243 has 9.2 rating out of 10. This average rating is consist of 35 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.