Description
MRP 7a with 4age Crank De-Stroke Pro H-Beam Conrods
Designed to to fit a 7a block running a 4age crank (De-Stroke 7age) Which gives a rod/stroke ratio of 1.78
Fits all off the shelf 4age pistons with standard compression height
After many years of R&D and real track testing we have come up with our own 4age conrods which are custom made to our specs, for those wanting to build 4agte or 4age configurations.
These conrods use the stock 4age 42mm bearings and fit 4age floating 20mm gudgen pins.
We have track tested these to 800hp+ and 10,000rpm!
**MRP rods feature notched out tunnels to direct oil up into the bottom of the piston**
Specifications:
137mm center to center
Fits stock 4age 42mm rod journal
Fits stock 4age 20mm floating gudgen pin
Material: 40Crnimoa (4340) Forged Steel
Hardness: HRC-33-38
Special doweled cap and profiled clearance
Silicon bronze bushings for floating piston wrist pins
Fully machined to produce the lightest and strongest rod possible
Sets weight matched +/- 1.5 grams
ARP 2000 conrod bolts (up to 800hp) – For higher HP rating ARP 625 Series is needed
HP Rating: 200hp per rod (Total 800hp) and 10,000rpm
510g total weight incl bolts (bolts are 54g)
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