|
 |
Mopar Performance / Direct Connection Online Community
Check out our Online community discussion forum for Mopar enthusiast from all around. Talk about the modifications you've made, or are planning to do, see what others are doing to their Mopar's. Get advice, tips, and trick's from others who have been there, done that, got the shirt to prove it.
Got a Mopar, SHOW IT OFF!!! In here you can make your very own free car page, post up photo's, detail mod's you have done, or are planning on doing. Make your car page today!
|
|
 |
Articles and Publications |
 |
| |
| · Reference Material · | 01.19.2007 |
| |
A & LA Small Block Valvesprings
 |
| "A" Engine Valve Springs |
| Part Number |
Inst. Ht. |
Description |
O.D. |
Wire Dia. |
Lift Range |
Material |
Retainer |
| *P4286813 |
1.65"/1.70" |
Single/damper |
1.39" |
.185" |
.390"/.450" |
Chrome-van |
P4452033/P4286573 |
| *P4120249 |
1.67"/1.70" |
Single/damper |
1.50" |
.206" |
.430"/.500" |
Chrome-van |
P4452033 |
| *P5249847 |
1.68"/1.70" |
Single/damper |
1.50" |
.207" |
.480"/.535" |
Chrome-sil |
P4452033 |
| *P3614542 |
1.67"/1.70" |
Dual/damper |
1.45" |
.185" |
.500"/.610" |
Chrome-sil |
P4452033/P4286573 |
| *P3412068 |
1.68"/1.70" |
Dual/damper |
1.46" |
.191" |
.520"/.620" |
Special |
P4452033 |
|
See the Engine Book P5249704 for spring pressures
|
| "A" Engine Valve Springs (Long Valves) |
| Part Number |
Inst. Ht. |
Description |
O.D. |
Wire Dia. |
Lift Range |
Material |
Retainer |
| *P3690933 |
1.83"/1.86" |
Single/damper |
1.53" |
.224" |
.440"/.500" |
Chrome-van |
P4452033/P4286573 |
| *P5249848 |
1.86"/1.87" |
Single/damper |
1.55" |
.216" |
.480"/.540" |
Chrome-sil |
P4452033/P4286573/P4007178 |
| *P2806077 |
1.83"/1.86" |
Dual/damper |
1.52" |
.215" |
.500"/.610" |
Chrome-van |
P4529823/P4007178 |
| *P4876064 |
1.86"/1.88" |
Dual/damper |
1.60" |
.216" |
.590"/.640" |
Chrome-sil |
P4286573/P4007178 |
| *P5249864 |
2.00"/2.02" |
Single/damper |
1.55" |
.216" |
.460"/.550" |
Chrome-sil |
P4452033/P4286573 |
| *P2946353 |
1.99"/2.00" |
Dual/damper |
1.59" |
.224" |
.520"/.700" |
Special |
P4286573/P4007178/P4120785 |
| *P5249849 |
2.00"/2.02" |
Dual/damper |
1.55" |
.216" |
.650"/.750" |
Chrome-sil |
P4286573/P4007178/P4120785 |
| *P4007536 |
2.00"/2.02" |
Triple |
1.62" |
— |
.640"/.745" |
Chrome-sil |
P4120783/P4286775 |
|
See the Engine Book P5249704 for spring pressures
|
|
Notes:
|
-
Chrome-van stands for chrome-vanadium; chrome-sil for chrome silicon.
-
All valve springs are sold individually.
-
On W7 heads and others with x-long valves, like the 5.40" length, the typical installed spring height is 2.00", so only the springs listed above for the 1.99" thru 2.02" installed heights can be used.
-
With a single spring, the damper is installed inside the main spring; with a dual spring, the damper is installed between the inner and outer springs. There are no dampers in the triple springs.
-
Retainers - the ones listed are the basic recommendation. Check the actual retainer listing for other options - added installed height, materials, lock size.
|
|
*Not legal for sale or use on pollution-controlled motor vehicles.
|
|
|
| |
|
|
| back to all articles » |
|
|
