Cast iron Vortec cylinder heads - Marine grade
SKU SBC-CR-VORTEC
11.999,20 DKK
In stock: 1 available
1
Cast iron Vortec cylinder heads - Marine grade
Product Details
Weight: 44,00 kg
Vortec cast iron cylinder heads 906 for MerCruiser 5.7, Volvo penta 5.7 or OMC 5.7
- Quality intake valves in steel from American Engine pro. Head diameter 1.94” w/45 degree seat. Valve stem diameter 0.3415”.
- Quality steel exhaust valves from American Engine pro. Head diameter 1,500” w/45 degree seat. Valve stem diameter 0.3415”
- 1,250" Engine pro street / race valve springs. 100 lbs in open pressure at 1,710" and 265 lbs at 1.25". Max valve lift 0.45"
- Valve spring retainers in 4140 chromoly steel, which is hardened from American Engine Pro.
- Engine pro 7 degree valve locks in hardened steel
- Engine pro Viton oil thieves
- Valve spring shims in 4140 Chromemoly
- 170cc Intake duct
- 61cc exhaust duct
- 64cc Combustion chambers.
- Fitted with hardened steel valve seats for unleaded petrol.
- Valve angle 23 degrees
Price is for a set of 2! (can be sold seperately)
Option to upgrade to Manley stainless valves for additional cost.
Replaces the following part numbers
MerCruiser #938-803860T (8 bolt intake manifold)
MerCruiser #938-883490R1 (12 bolt intake manifold)
MerCruiser #883490R1 & 803860T
GTIN 745061478459
GM Performance P/N # 12691728
Volvo Penta #3856929
Sierra #18-4486
Crusader #R003008B
Can only be used for the following camshafts:
Mercury - Mercruiser Part no. 431-5943 / GM Part no. 340284. - Non Roller camshaft.
Mercury - Mercruiser Part no. 431-811658. - Roller camshaft.
Display prices in:DKK