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CR557
$369.00
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- Mid/High
- big bore motors 124ci – up.
- The opening and closing ramps are different profiles to reduce valve bounce and valve spring harmonics. Replaces the CR540 & CR540-2.
- 2800-6500rpm
- 11.3 to 11.8:1 static compression.
- Add ported cylinder heads, big throttle body, high performing exhaust and get ready to hang on! You’re on your way to a 160 Horsepower pump fuel build
All M8 Model 2017-2023
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.