ZRP Forged Conrods Mini R56 Cooper S

ZRP Forged Conrods Mini R56 Cooper S

£359.99 Inc VAT


Mini Cooper S H-Beam Connecting Rods

Between Centers – 131.60mm
Big end – 49.00mm
Small end – 21.00mm
B.E Width – 23.25mm
Weight in Grams – 413 (w/o Bolts)
Bolt size – 3/8″

1. Additional machining processes

Ribbed Pin end minimize P.E distortion under heavy inertial loads while at the same time saving extra weight
Aluminum – Silicon/ Bronze bushing with radial groove
Dowel sleeves for perfect fit and accurate re-assembling
Lipped Cap Relief for improved big-end integrity at extreme application
Grooves in Thrust Face for weight reduction

2. Technical Features of ZRP Connecting Rods

Shot Peening for improved fatigue life
Magnaflux Inspection guarantees the consistency of the forged material meets our high-quality standard
Multi-Stage Heat Treat for maximum strength, dimensional stability, and fatigue life.
CNC machining for superior tolerances as tight as 0.0003’’
Optimal balancing for weight-matched sets (+/- 1g)
Center to center is held to 001” tolerance
Finite Element Analysis FEA Computer generated stress analysis of con rods
ARP2000 Rod Bolts rated to 220,000psi
H-Beam Design – High tensile steel 4340
Combination tested to over 700HP+

For extreme application we can offer you ARP rod bolts Custom Age 625+ or L19 series, rated in excess of 300HP per cylinder. Please contact us for more details and pricing.

Supplied boxed into sets with ARP moly and full fitting instructions

Additional information

Weight 10 kg




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