Modified High Ratio Rockers for 3800 SII/III- $299.99
Modified High Ratio Rockers for 3800 SII/III
Modified rockers for 3800 Series II/III are one of the easiest ways to bolt on 15-20 HP(10-15 WHP) in your drive way in a couple hours.
We take OEM rockers and machine the pushrod seat after welding in the old ones to get a 1.9 ratio
These rockers require no supporting modifications to run safely on stock valvetrains with stock shift points.
If planning to shift over 6k RPMS aftermarket valve springs(90-105#) and retainers are suggested to help prevent valve float.
Designed to work with forced induction and naturally aspirated 3800
Includes:
-12 modified rockers
-2 reworked pedestals
$50.00 refundable core charge applies to all rocker orders
Cores can be sent to
Sinister Drag Designs
828b Plainfield Rd
Joliet, IL 60435
Modified rockers for 3800 Series II/III are one of the easiest ways to bolt on 15-20 HP(10-15 WHP) in your drive way in a couple hours.
We take OEM rockers and machine the pushrod seat after welding in the old ones to get a 1.9 ratio
These rockers require no supporting modifications to run safely on stock valvetrains with stock shift points.
If planning to shift over 6k RPMS aftermarket valve springs(90-105#) and retainers are suggested to help prevent valve float.
Designed to work with forced induction and naturally aspirated 3800
Includes:
-12 modified rockers
-2 reworked pedestals
$50.00 refundable core charge applies to all rocker orders
Cores can be sent to
Sinister Drag Designs
828b Plainfield Rd
Joliet, IL 60435
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