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LS3 CNC Ported Assem Heads, Manley Valves - $1,698

FREE SHIPPING - Hyd Roller Cam, pr .650 lift

Business Seller - USA Performance Parts 1
Mooresville, NC

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Item Details

Ad Number182681773


These 370cc LS3 heads are CNC ported with our Competition Valve Job on EPOC CNC valve seat machine. You can’t get a better valve job.
.0002 runout (Yes that’s 2 ten thousandths)

Manley Racemaster Stainless Valves made in USA
2.165 intake x 1.600 exhaust
Intake flows 362cfm @ .700 lift and 370cfm @ .800 lift.
Exhaust flows 225cfm @ .700 lift and 228cfm @ .800 lift
Flowed on SuperFlow 1020
Flow on Super Flow 600 will be 20cfm higher
68cc CNC chambers
Lunati 73925 Signature Dual hyd Roller Spring Kit
1.306 OD, 153lb@1.810, 400lb@1.150, 379lb rate
Chrome moly steel retainers, 7deg locks
Viton valve seals
Assembled by USA Performance Parts
Speedmaster Aluminum Castings

Manley Severe Duty & Inconel Valves available.
Hollow Stem Intake Valves also available

We are Manley & Lunati Master Warehouse Distributors

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Accepted Payment Methods Paypal, Credit Card, Cash

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About The Seller

USA Performance Parts 1
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Member Since January 2012

Mooresville, NC


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Mooresville, NC
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