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COMP Cams 26903-12 SINGLE SPRING, 1.404 OD, 1.650 IH, .550 LIFT, 300 LBS/IN
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Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
Designed for flat tappet cams, 26903 can be installed from 1.500” to 1.700” with a 1.404" OD, fitting a wide variety of early cylinder heads. An open load of 260 lbs provides safe operation for most hydraulic flat tappet applications.
COMP Cams' new 26903 single valve springs are a product of innovative design and superior craftsmanship. Engineered with state-of-the-art techniques using premium wire, they redefine reliability and consistency in the performance automotive aftermarket. The 26903 valve springs are an excellent choice for many flat tappet cams in applications with limited installed height, anywhere from 1.500” to 1.700”, depending on the lift. They easily fit numerous spring pockets with a 1.404" outer diameter, offering versatility across many applications. Designed to run approximately 0.065” from bind with an open load of 260 pounds, these valve springs allow safe operation in many street hydraulic flat tappet applications, ensuring exceptional performance and durability. Whether you're seeking improved dynamics, enhanced valve control, or unmatched reliability, we have the valve springs to deliver the perfect solution. Elevate your engine's dependability and confidence on the road with COMP Cams valve springs
Specifications
| Number of Springs | 12 |
| Spring Rate | 300 |
| Seat Pressure | 95 PS |
| Seat Height | 1.650 IN |
| Outer Spring Outside Diameter | 1.404 IN |
| Outer Spring Inside Diameter | 1.020 IN |
| Coil Bind Height | 1.033 IN |
| Damper | No |
| Compatible Shims | 4754 |
| Compatible Retainer | 709-12 Steel Retainers for 10° Locks and All Valves |
| Compatible spring seats | 4667-12 Spring Seats for .530 Guide |
| Spring Type | Dual Spring |
| Recommended Max Lift (in) | .500 IN |
⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Warranty: 12 Months
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
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Shipping: Free to the USA.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
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