DRD Machine Services 
Aircooled Head Work Price Guide

DRD offers various machine services for your aircooled heads and engines. Our in-house machine services cover your every need. If your looking to customize your heads for that new engine, or you need any machine services, give us a call.

Type 1 - Machine Services Price List
Description Price
Surface heads (pair) $35
Bore heads for larger cylinder (pair) $40
Fly cut for compression (pair) $75
Replace 1 valve guide, includes guide $10
Guide boss repair $10
Valve job, multi angle (pair) $80
Cut for dual springs (pair) $25
Weld and surface intake manifolds (pair) $100
Full flow case $30
Welding $75 per hour
Hone cylinders for proper clearence $40 set of 4
Hone rods, big end for proper clearence, set of 4 $30
Match port customers manifolds $100
Bore case $45
Machine cylinders to length $75 per set of 4
Balance engine assy $100.00
Machine cylinders to 90.5 $75.00 set of 4
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