Page 18 - 2018 Racecar Engineering Engine Parts and Accessories Catalog

CRANKSHAFTS

Chevrolet Big Block (Cont.)
Cast Steel Crankshafts - Cont.
Scat
Pro Stock Features: 9000 cast steel, precision-ground, micro-pol-
ished, factory balanced, 5.700" or longer rod, WISSOTA Approved.
Pro Comp Features: 9000 cast steel, precision ground, knife-edged
counterweights, factory balanced, straight shot oil holes, micro-pol-
ished, IMCA and Racersaver approved.
Min. Rod Rod Rear Target Approx.
Part No. Description Stroke Length Pin Main Main Seal Balance Bobweight Grams Weight Lbs.
SCA9-10454 Pro Stock 4.000" 6.135" 2.200" 2.749" 2-Pc. Ext. 2440 65-67
SCA9-454-4250-6135 Pro Comp 4.250" 6.135" 2.200" 2.749" 2-Pc. Ext. 2420 67
SCA9-454-4250-6385 Pro Comp 4.250" 6.385" 2.200" 2.749" 2-Pc. Ext. 2420 67

Forged Steel Crankshafts
Callies
Compstar Features: Spec 4340 material, mid-weight design, multi heat-
treated, double stress relieved, nitride hardened, properly placed coun-
terweights profiled for piston clearance, drilled rod journals, precision
ground and mirco-polished to 5 Ra. Stock Eliminator Features: Spec 4340 material, built to NHRA Stock Eliminator exact
requirements. Profiled for piston clearance, drilled rod journals, precision ground and mirco-polished to 5 Ra. Magnum
Features: Ultra pure AISI 4340 steel, triple heat-treated, nitride hardened, gun-drilled mains, full profiled counterweights,
precision ground and micro-polished to 5 Ra.
Min. Rod Rod Rear Target Approx.
Part No. Description Stroke Length Pin Main Main Seal Balance Bobweight Grams Weight Lbs.
CALBB1542B-SE Stock Eliminator 3.773" 6.135" 2.200" 2.750" 2-Pc. Ext. 2420 67
CALBBO42B-MG Magnum 4.000" 6.385" 2.200" 2.750" 2-Pc. Int. 2350 69
CALBB1642B-SE Stock Eliminator 4.013" 6.135" 2.200" 2.750" 2-Pc. Ext. 2420 67
CALBBP425-CS Compstar 4.250" 6.385" 2.200" 2.750" 2-Pc. Int. 2350 72
CALBBP42B-MG Magnum 4.250" 6.385" 2.200" 2.750" 2-Pc. Int. 2350 69
CALBBB42B-MG Magnum 4.375" 6.535" 2.200" 2.750" 2-Pc. Int. 2350 69
CALBBQ42B-MG Magnum 4.500" 6.700" 2.200" 2.750" 2-Pc. Int. 2350 69
CALBBS42B-MG Magnum 4.750" 6.700" 2.200" 2.750" 2-Pc. Int. 2350 69

Eagle
“ESP” Features: SAE 4340 steel non-twist forging, multi-stage heat-treated, stress-relieved, .125" radii for use with
narrowed bearings, chamfered oil holes, shot-peened, nitride hardened, X-rayed, magnafluxed, and sonic tested.
Recommended for use up to 1500 HP.
Min. Rod Rod Rear Target Approx.
Part No. Description Stroke Length Pin Main Main Seal Balance Bobweight Grams Weight Lbs.
EAG445440026135 Early Style 4.000" 6.135" 2.200" 2.749" 2-Pc. Int. 2350 70
EAG445640046135 Late Style 4.000" 6.135" 2.200" 2.749" 1-Pc. Int. 2350 70
EAG445442546385 Early Style 4.250" 6.385" 2.200" 2.749" 2-Pc. Int. 2350 72
Early Style, w/Center
EAG445442526385 4.250" 6.385" 2.200" 2.749" 2-Pc. Int. 2350 72
Counterweights
Early Style, w/Center
EAG445443756385 4.375" 6.385" 2.200" 2.749" 2-Pc. Int. 2350 72
Counterweights
Early Style, w/Center
EAG445445006535 4.500" 6.535" 2.200" 2.749" 2-Pc. Int. 2300 75
Counterweights
Early Style, w/Center
EAG450247506600 4.750" 6.600" 2.200" 2.749" 2-Pc. Int. 2425 78
Counterweights
K1 Technologies
Features: Premium 4340 steel, core nitride hardened, stress-relieved, gun-drilled rod and mains, properly placed counter-
weights, large fillet radii for use with narrowed bearings, straight hole rod oiling, magnafluxed and micro-polished.
Min. Rod Rod Rear Target Approx.
Part No. Description Stroke Length Pin Main Main Seal Balance Bobweight Grams Weight Lbs.
K1T012GAG425 Standard Weight 4.250" 6.385" 2.200" 2.749' 2-Pc. Int. 2150 81
2018 ENGINE BUILDER CATALOG 17