Molnar Technologies H Beam rods are machined from billet 4340 steel, and then heat treated to provide improved strength. To make the rods even stronger, they are shot peened too which also increases fatigue life. All Molnar connecting rods are fitted with highly durable premium bronze bushings for use with full floating pin type pistons. Each rod set for the Buick big block engines includes ARP2000 series fasteners which are a Molnar Technologies proprietary design, assembly lubricant and installation guidelines.
The 400, 430 and Buick 455 connecting rods listed on this page are available for engines using a stock stroke crankshaft, as well as for offset ground and aftermarket stroker cranks. If you have any questions about which rod set is correct for your application please do not hesitate to contact us and we will be happy to assist you.
All Molnar rods are finished in the United States at the Molnar Technologies shop in Michigan. Critical rod dimensions are are held to very precise tolerances of +/- .0001 of an inch, which is the tightest tolerance you will find in the performance and racing aftermarket.
Molnar H Beam Buick Big Block Rods
Molnar Technologies Big Block Buick Rod Specs and Prices
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Buick 400 430 and 455 Rods including Big Block Buick stroker rods |
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| Part Number | Length | Wt | Desc | Jrnl | Pin | BE | PE |
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BH6600WUB8-A
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6.600 | 769 | Big Block High Performance and racing replacement for stock rods. Can be used to replace stock rods in most any application. These fit the stock crankshaft journal size, are the stock length and use the stock wrist pin size but they are bushed to use with a floating piston pin. | 2.249 | 1.000 | 0.925 | 1.122 |
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BH6600WTB8-A
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6.600 | 745 | Big Block High Performance replacement for stock rods but using a .990 diameter floating wrist pin | 2.249 | .990 | 0.925 | 1.122 |
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BH6607WUP8-A
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6.607 | 749 | Big Block High Performance replacement with pistons using a press fit, stock 1.000 inch diameter wrist pin | 2.249 | 1.000 | 0.925 | 1.122 |
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BH6700LTB8-A
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6.700 | 735 |
Big Block Buick Stroker rods for use with crankshaft rod journal of 2.000 inch diameter. 990 wrist pin. These rods are most often used when making a stroker crank from a stock crankshaft by offset grinding the rod journals. |
2.000 | 0.990 | 0.925 | 1.125 |
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BH6800NTB8-A
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6.800 | 751 | Big Block Buick Stroker connecting rods for use with crankshaft rod journal of 2.100 inch diameter. 990 wrist pin | 2.100 | 0.990 | 0.925 | 1.065 |
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BH6800VTB8-A
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6.800 | 762 | Long Buick stroker rods for use with crankshaft rod journal of 2.200 inch diameter. .990" Wrist pin | 2.200 | 0.990 | 0.925 | 1.065 |
Can rods
BH6600WUB8-A be made with a length of 6.625?
Sid
Hello Sidney,
The length change would require a custom rod as the basic core can not be simply altered to the longer length. We can supply a custom set with all other specs the same, but just the center to center length change if that is what you need.
If you go custom, other specifications can be altered as well if you need something different.
If you would like more info on a custom set please contact us and we will be happy to help you.
Thank you for checking with us.
This would save a lot of machine work if you decide to make them I need a set
Hello Walter,
These Buick rods are already being built and have been in production for a while so if you need a set they are ready to order.
Thank you for your interest.