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Crankshaft Options



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SIR-6123JP #1

6.123" 5140 Steel I-Beam, 3/8" Arp 8740 Bolts, For press-fit Pins

Forged 5140 Steel I-Beam Connecting Rods Are An Upgrade From O.e. Rods And Feature A shot-peened Surface. Sizing Is...
"SIR" FORGED 5140 STEEL I-BEAM RODS  |  Part# SIR-6123JP   More Details...

$271.99


CRS-102583895 #1

3.895" Stroke, Internal Balance, Cast Mild Steel, Jeep 4.2l

Cast Crank - Jeep 4.2l, 3.895" Stroke
EAGLE  |  Part# CRS-102583895   More Details...

$499.95


CRS-102584060 #1

4.060" Stroke, Internal Balance, Cast Mild Steel, Jeep 4.0/4.2L

Cast Crank - Jeep 4.0L/4.2L, 4.060" Stroke
EAGLE  |  Part# CRS-102584060   More Details...

$499.95


SIR-6123JP-1 #1

Single 6.123" 5140 Steel I-Beam, 3/8" Arp 8740 Bolts, For press-fit Pins

Forged 5140 Steel I-Beam Connecting Rods Are An Upgrade From O.e. Rods And Feature A shot-peened Surface. Sizing Is...
"SIR" FORGED 5140 STEEL I-BEAM RODS  |  Part# SIR-6123JP-1   More Details...

$68.99


Street & Strip Assembly, 292 Cid, DSS -10cc

4.060" Cast Steel Crank, 6.123" 5140 Steel I-beam Rods, 3/8" Arp 8740 Bolts, Forged 4032 DSS -10cc Inverted Dome 3....
ROTATING ASSEMBLIES  |  Part# KIT-24511030   More Details...

$1,438.99


Street & Strip Assembly, 296 Cid, DSS -27cc

4.060" Cast Steel Crank, 6.123" 5140 Steel I-beam Rods, 3/8" Arp 8740 Bolts, Forged 4032 DSS -27cc Inverted Dome 3....
ROTATING ASSEMBLIES  |  Part# KIT-24509060   More Details...

$1,438.99


Street & Strip Assembly, 280 Cid, KB -27.5cc

3.895" Cast Steel Crank, 6.123" 5140 Steel I-beam Rods, 3/8" Arp 8740 Bolts, Hypereutectic KB -27.5cc Inverted Dome...
ROTATING ASSEMBLIES  |  Part# KIT-24512030   More Details...

$970.99


3.440" Stroke, Internal Balance, Cast Mild Steel, Jeep 4.0l

Cast Crank - Jeep 4.0l, 3.440" Stroke
EAGLE  |  Part# CRS-102423440   More Details...

$499.95


Street & Strip Assembly, 247 Cid, DSS -10cc

3.440" Cast Steel Crank, 6.123" 5140 Steel I-beam Rods, 3/8" Arp 8740 Bolts, Forged 4032 DSS -10cc Inverted Dome 3....
ROTATING ASSEMBLIES  |  Part# KIT-24502030   More Details...

$1,315.99


Street & Strip Assembly, 247 Cid, DSS -21cc

3.440" Cast Steel Crank, 6.123" 5140 Steel I-beam Rods, 3/8" Arp 8740 Bolts, Forged 4032 DSS -21cc Inverted Dome 3....
ROTATING ASSEMBLIES  |  Part# KIT-24501030   More Details...

$1,315.99