ENGINE PRO RACING Chevrolet LS1, LS2 Cathedral intake ports, 11 degree

Description

Bare Head Pair - Cathedral Intake Ports

This bare head pair features cathedral intake ports with a volume of 250cc and an 11-degree valve angle, designed to accommodate the OE 4 head bolt configuration.

Specifications:

Material: Aluminium
Combustion Chamber Volume: 61cc
Intake Runner Volume: 252cc
Intake Port Size: 3.23" H x 1.12" W
Exhaust Runner Volume: 102cc
Exhaust Port Size: 1.63" H x 1.73" W
Intake Valve Size: 2.080" (01-2810-8)
Exhaust Valve Size: 1.600" (01-2820-8)
Valve Stem Diameter: 8.00mm
Valve Length: +0.500"
Valve Angle: 11 Degree
Valve Guide Seal Diameter: 0.500"
Valve Guide Material: Manganese Bronze
Valve Spring Base Diameter: 1.555"
Rocker Type: LS3 (Rocker Arm Stands Included)
Rocker Bolt Mounting Space: 2.115"
Deck Thickness: 0.750"

Flow Data @ 28" (CFM):

Intake:

@.300": 220
@.400": 272
@.500": 320
@.600": 338
@.700": 345

Exhaust:

@.300": 150
@.400": 200
@.500": 210
@.600": 220
@.700": 228

Where different options are described above, please let us know what option you would like. Some options have additional costs please ask us for a price.

All pistons and conrods are priced as a set. Pistons come with Rings, Pins and Locks. Conrods come with ARP2000 Bolts.

Please allow up to 7 days for delivery of most items. We will contact you if it will be longer or please feel free to ask a question to get a more accurate estimate.

This item is sold by Spool Imports, an offshore business located in Australia. NZ GST has been paid but orders over $1,000 may incur additional NZ customs charges. Find out more at http://trade.me/whatsmyduty