"Traditional Pontiac" Engine Parts
" Performance Related "
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Stock Dowel Pins only Protrude from the Block Approximately 0.160". Ours Protrude Approximately 0.438".
Our Dowel Pins Locate the Main Cap Better.
Factory Dowel Pin Installed.
Actual Dimension of a Factory Dowel Pin.
Design Features :
1) Locates the Main Caps better than the stock length Dowel Pins.
2) Engages a previously unused Portion of the Main Cap.
3) Greatly reduces the possibility of "Cap Walk".
4) The Caps stay put when torquing the Main Cap Fasteners.
Technical Notes:
** Our Dowel Pins fit the Pontiac Block properly.
** The Press Fit into the Block is correct without the expense of reaming the Dowel Holes in the Block and in the Caps.
** Our Pins fix poor/loose fitting "Stock Main Caps".
** Install Our Dowel Pins before Align Boring or Align Honing the Block.
NOTE:
** Installing oversized 5/16" Dowel Pins into a Pontiac Block without properly reaming the Dowel Holes to Size can damage the Main Webbing in the Block.**
Solid Timing Cover Dowels
** These Timing Cover Dowels are
Solid Stainless Steel.**
Part # PTCD-SS
$9.99 ( 2/Pkg.)
Tech Tip :
Whenever a Motor Plate is Mounted to the Front of the Timing Cover, the Possibility Exists that the Timing Cover may come loose over time. The Original "Split-Type" Timing Cover Dowels may allow for Timing Cover Movement which can lead to Oil and/or Coolant Leaks.
These Solid Stainless Steel Dowels Eliminate those Possibilities.
Pontiac Cylinder Head Dowel Pin Set
** Extended Length **
Correct Diameter of 0.30970" +/- 0.0001" Tolerance.
>> Pontiac Dowel Pins Are NOT 0.3125" (5/16") <<
Part # PCHDP
$19.95Set of 4
Notation:
These Dowel Pins are made of a Hardened Steel Alloy. They are Machined to the Correct Length, the Ends are Radiused and the Outside Diameter is Centerless Ground to its' final Dimension.
Text : (704) 685-0397
E - Mail : lmsracer455@outlook.com
Questions or Comments :
Text or E-Mail at any time and we'll respond A.S.A.P.
Online "Shopping Cart" Orders
"Extended Length" Hardened Steel Alloy
"Extended Length" Hardened Steel Alloy
Pontiac Main Cap Dowel Pins
** Extended Length **
Correct Diameter
0.30970" +/- 0.0001" Tolerance.
>> Pontiac Dowel Pins Are NOT 0.3125" (5/16") <<
Part # PMCDP-10
$49.95 - Set of 10
Available for shipment
June 25th., 2025