Mini Mania
Est. 1974
Shop by Car
 Live Help
800-946-2642
Search
All
Buy Now
by Selecting a
Variations below:
Triple Groove A-plus Exhaust Valve 29.5mm Race Quality
Exhaust
C-AEG106 $25.95
Triple Groove A-plus Exhaust Valve 29.5mm Race Quality
Exhaust
C-AEG105$32.95
Exhaust Valve 1.22 Chrome Stem For 12g940
Exhaust
C-AEG107-CHROME$49.95
Triple Grooved A-plus Intake Valve 35.7mm Race Quality
Intake
C-AEG543$35.95
Intake Valve 33.2mm 1.31 Diameter X 3.57 Long
Intake
C-AEG569 $29.95
Exhaust Valve 32mm 1.311 X 3.57
Exhaust
C-AEG570 $49.95
Exhaust Valve 1.04 X 3.44 Triple Groove
Exhaust
C-AEG587 $34.95
Intake Valve 1.22 Triple Grove Late Model
Intake
C-AEG588 $34.95
Exhaust Valve 1.15 X 3.57 Small Keeper
Exhaust
C-AEG589 $24.95
Exhaust Valve 30.9mm 1.22 X 3.57 Small Keeper
Exhuast
C-AEG107 $39.95
Intake Valve 1.4 X 3.57 Small Keeper
Intake
C-AEG544 $21.95
Intake Valve 1.4 X 3.57 Small Keeper

Intake Valve 1.4 X 3.57 Small Keeper

Intake Valve 1.4 X 3.57 Small Keeper
1.158" (29.4) dia exhaust valve for 12G940 casting.
Our race valves are produced in EN214N steel and rquire Manganese/Silicon bronze alloy valve guides. They are stellite tipped and use the later narrow, single collet groove and current valve head shapes.
As it is possible, even common, to swap one head for another on 1275 engines, it is quite easy to become confused, or worse yet, confuse the parts-guy when it is time to order new valves! Be aware that if the head has been worked on previously, it may have oversize valves; it may have undersize if seats have been installed. Unless you are 100% sure what is in your cylinder head, it is a good idea to remove a valve for accurate measurement. There are two lengths used (nominally 3.52" & 3.57") three different keepers, (wide, narrow, and three-groove) and many different head diameters! These valves are in stock at Mini Mania!
Note that 12G1316 (Smog-Type), all variations of the 12G940, and the latest CAM head castings all use the following 3.57" long valves.
11 Other Variations Available:
Triple Groove A-plus Exhaust Valve 29.5mm Race Quality
Exhaust
Triple Groove A-plus Exhaust Valve 29.5mm Race Quality
Exhaust
Exhaust Valve 1.22 Chrome Stem For 12g940
Exhaust
Triple Grooved A-plus Intake Valve 35.7mm Race Quality
Intake
Intake Valve 33.2mm 1.31 Diameter X 3.57 Long
Intake
Exhaust Valve 32mm 1.311 X 3.57
Exhaust
Exhaust Valve 1.04 X 3.44 Triple Groove
Exhaust
Intake Valve 1.22 Triple Grove Late Model
Intake
Exhaust Valve 1.15 X 3.57 Small Keeper
Exhaust
Exhaust Valve 30.9mm 1.22 X 3.57 Small Keeper
Exhuast
Intake Valve 1.4 X 3.57 Small Keeper
Intake
Technical Information:
Valve Stem Keepers

Call them cotters, collets or keepers, these little items are often overlooked during a head rebuild.  If yours are worn and need to be replaced, make sure you order the right ones.  Minis used three different versions over the years.

In general, the earliest cars used valves with a single, wide groove in the valve stem.  Often called the "normal" valves, the later, pre-A+ valves used a narrow, single groove.  The later cars (the change was around the change to A+ time) have a valve stem with three, narrow grooves.  Of course, the keepers have to match the valve stem.

The only sure way to tell what keepers you need is to take the valves out of the head.  Mixing and matching valves and heads is easy to do, so pull the valves and look at the groove before orderingl

 

Use 2A11 (if you can find them) for early, large grooved valves:

2a11

Use 88G459 for the later narrow grooved valves:

88g549

 

Use CAM6975 for the tripple grooved valves:

cam6795

Read Full Article
Customer Reviews
Write a customer review
Review this item and receive a $5 coupon off you're next purchase!* Click Here For Details
Click Here For Details