Lingenfelter CNC Ported LT1 L86 Cylinder Heads Pair -12.0:1


Part Number: L150135414
$1,589.00
Product availability: Call Sales @260-724-2552
Free Shipping: W/$250.00+ Order
Shipping Weight: 30.00 pounds
Lingenfelter CNC Ported LT1 L86 Cylinder Heads Pair -12.0:1
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Product Details


Lingenfelter offers a CNC ported version of the LT1 L86 aluminum cylinder head used on 2014-2015 production 6.2L Chevrolet C7 Corvette, 2014-2015 production L86 6.2 L based GM trucks.

LT1 L86 cylinder heads are precision CNC machined on our in house 5 axis CNC machine to ensure that tight tolerances are maintained. The Lingenfelter CNC porting procedure is a computer controlled machining operation that duplicates details from a finished Lingenfelter hand ported cylinder head. The port and chambers are carefully designed to provide the best combination of high flow capabilities across the entire valve lift range. The Lingenfelter quality control procedures include sectioning sample cylinder heads to confirm minimum wall thicknesses.

Following porting each head receives: Precision 3 angle valve job to maximize flow & provide extended life, CC checking chamber size for correct compression, surfacing to insure deck flatness, deburring, pressure testing, professional assembly, setting spring height & checking all tolerances, and serial number.

Intake runner volume - LPE CNC: 308cc - Stock GM: 297cc
Exhaust runner volume - LPE CNC: 110cc - Stock GM: 107cc

12.0:1 compression ratio with stock pistons & gaskets

Parts included:
Re-use customer's stock 2.13 intake valves and 1.59 exhaust valves
Lingenfelter double valve spring kit L230075897
Lingenfelter titanium spring retainers
Lingenfelter valve locks, seals & spring seats

Prices shown are for a pair of cylinder heads with customer supplied cores

Flow numbers shown are measured on 4.065 bore with no pipe on the exhaust

Intake valve lift / Exhaust valve lift

.200 - 156 cfm / .200 - 123 cfm

.300 - 222 cfm / .300 - 164 cfm

.400 - 280 cfm / .400 - 215 cfm

.450 - 306 cfm / .450 - 227 cfm

.500 - 326 cfm / .500 - 231 cfm

.550 - 344 cfm / .550 - 234 cfm

.600 - 352 cfm / .600 - 236 cfm

.650 - 358 cfm / .650 - 237 cfm

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