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Molnar 4340 Forged H-Beam Rod, 6.625", 2.250" Pontiac RJ, Bushed Set/8

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Part # MTE-PH6625WRB8-A

6.625" Length
ARP2000 7/16" Bolts
2.250 Pontiac Rod Journal
.980 Pins
Bushed
Set/8

Description

Molnar rods need to have a torque and angle of 30lb ft + 65 deg or a rod bolt stretch of .0070-.0075"
4340 STEEL H-BEAM RODS
Forged SAE 4340 steel from 2 piece forging.
7/16” ARP 2000 Rod Bolts Rated at 220,000psi
Alignment sleeves for precise cap location. Weight-matched +/- 1g.

Compression Calculator

Simply fill in the form below to calculate your compression ratio

*BP Flat Top pistons normally include +8cc valve pockets. When selecting dish piston from list, do not add valve pocket cc volume. Valve pocket cc is already included in the dish piston volume*

Bore: (diameter)
Stroke:
Cylinder Head Volume:
Effective Dome Volume: ^{Use (-) for Dome and (+) for Dish.}
Deck Clearance:
Compressed Gasket Thickness:
Number of Cylinders:
Compression Ratio :
Total Displacement (in.³) :
Total Displacement cc's :

Listed is an example of a 461 cu.in. with a 72cc head.

If deck clearance and head gasket sizes are not known, enter 0 and .040 as shown below.

*Chamber volume cc should be entered as a (+) number for dish and (-) negative for dome*

Cu. In. Chart

Pontiac Cu.In. Chart
400 Block		Stroke
Bore		3.75	4.00	4.21	4.25	4.35	4.50
Stock	4.120	400	427	449	453	461	480
+.030	4.150	406	433	456	460	471	487
+.035	4.155	407	434	457	461	472	488
+.040	4.160	408	435	458	462	473	489
+.050	4.170	410	437	460	464	475	492
+.060	4.180	412	439	462	467	478	494
+.065	4.185	413	440	463	468	479	495