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CV-1.1 Complete w/ .700" lift springs
$3500 /pr
2.19" valve option
.900" lift valve spring option
Titanium retainer option
add $100
add $150
add $150
CV1.1 oval port bare heads
CV1.1 porters casting bare heads
Single four low rise intake manifold
4150 flange $450
4500 flange $500

2 pc single four hi rise intake manifold


CVI-2 2X4 bbl / EFI intake manifold


CVI-2 option: Removable top
Cast valve covers
CVI-2 2" Plenum spacer
3/8" pushrod guide plates
Stud girdle assembly
Shaft Rocker system

CNC options

Cutoff exhaust ports with header flanges


Exhaust extension plates (cnc ported)
4.35" bore chamber


410 cfm intake port 
460 cfm intake port


490 cfm intake port


Tunnel ram cnc

2 pc single four cnc (full port)

2 pc single four (gasket match)


Contact and Return policy

All returns must be of unused components and preapproved by contacting Roland Racing by phone or email. If a manufacturing defect occurs, Roland Racing will repair or replace product at its discretion free of charge. The item(s) will be UPS ground returned at no cost. If faster shipping is requested, the customer is subject to any increase in fees above UPS ground rates.   

If any questions, please call or email by clicking on the link below.

Roland Racing                                                 
1948-E  S. Glenstone                                       
Springfield, MO  65804                                
(417) 209-7395