Big Block Chevy – Magnum

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Big Block Chevy - Magnum
Big Block Chevy - Magnum

Standard Features Average weight for a 4.500" stroke, balanced to 2350g. bob weight = 69 lbs.
- Stroke Range of 3.500 in. to 5.750 in.
- Gun drilled mains, with 8 full counterweights
- All rod journals lightened
- Dual post keyways (additional available)
- Heat Treatment = Ultra Case Deep Nitride
- Enhanced rod oiling through the use of main bearing oil hole lead-ins
- One and two piece seal type flanges or star flange
- Custom flange bolt, dowel and post drilling available

Below is only a partial listing of part numbers. Please call for additional part number information and availability. 419-435-2711

Stroke	Main	Pins	Cammed for rod length	Part #

4.000	2.750	2.200	6.385	BBO-42B-MG
4.250	2.750	2.200	6.385	BBP-42B-MG
4.375	2.750	2.200	6.535	BBB-42B-MG
4.500	2.750	2.200	6.700	BBQ-42B-MG
4.750	2.750	2.200	6.700	BBS-42B-MG
4.625	2.750	2.200	6.700	BBR-42B-MG

« Back to Catalog
Big Block Chevy - Magnum
Big Block Chevy - Magnum

Standard Features Average weight for a 4.500" stroke, balanced to 2350g. bob weight = 69 lbs.
- Stroke Range of 3.500 in. to 5.750 in.
- Gun drilled mains, with 8 full counterweights
- All rod journals lightened
- Dual post keyways (additional available)
- Heat Treatment = Ultra Case Deep Nitride
- Enhanced rod oiling through the use of main bearing oil hole lead-ins
- One and two piece seal type flanges or star flange
- Custom flange bolt, dowel and post drilling available

Below is only a partial listing of part numbers. Please call for additional part number information and availability. 419-435-2711

Stroke	Main	Pins	Cammed for rod length	Part #

4.000	2.750	2.200	6.385	BBO-42B-MG
4.250	2.750	2.200	6.385	BBP-42B-MG
4.375	2.750	2.200	6.535	BBB-42B-MG
4.500	2.750	2.200	6.700	BBQ-42B-MG
4.750	2.750	2.200	6.700	BBS-42B-MG
4.625	2.750	2.200	6.700	BBR-42B-MG

Sales: 419.435.2711

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