K1 Technologies crankshafts offer world-class performance at an affordable price. Our crankshafts are made from 4340 forged steel and core hardened to reduce stress and optimize tensile strength. Each crank is designed with counterweights placed for optimal load reduction and ease of balancing.

FEATURES

  • 4340 Forged Steel – Toughness and resistance to impact
  • Core hardened using nitride hardening process – Less chance of running deformation
  • Magnetic Particle Inspection – Ability to see flaws that may cause s stress riser
  • Straight oiling to journals – Alleviates issues with rod bearing failures
  • Stress relieved – No bending or distortion in the engine.
  • Exceptional journal finish – Longer bearing life
  • Wide Pin-End Widths – Supports wrist pin to minimize failures

  • Reluctor wheel included (where applicable)
  • Concentric journal machining
  • Cam-cut for improved performance
  • Gun-drilled rod and main journals
  • Exceptional journal finish
  • Crank keyways cut to match OEM locations

37 Items

//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 002AAD400 K1 Technologies Crankshaft - Domestic (002AAD400)
Billet Crankshaft
6 Bolt Pre-71 Flange
SBC Rod Journals
Bob Weight : 1950 grams
Main Journal Diameter : 2.75in
Rod Pin Diameter : 2.100in
Stroke : 4.000in
Weight : TBA
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 007BAO400 K1 Technologies Crankshaft - Domestic (007BAO400)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 1850 grams
Main Journal Diameter : 2.5in
Minimum Rod Length : 6.123
Rod Pin Diameter : 2.125in
Stroke : 4.000in
Weight : 58lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 007CAO400 K1 Technologies Crankshaft - Domestic (007CAO400)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 1850 grams
Main Journal Diameter : 2.81in
Minimum Rod Length : 6.123
Rod Pin Diameter : 2.125in
Stroke : 4.000in
Weight : 63lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 007GAG425 K1 Technologies Crankshaft - Domestic (007GAG425)
Forged Crankshaft
8 Bolt Flange
BBC Rod Journals
Bob Weight : 2350 grams
Main Journal Diameter : 2.75in
Minimum Rod Length : 6.760
Rod Pin Diameter : 2.200in
Stroke : 4.250in
Weight : 71lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 007GAG450 K1 Technologies Crankshaft - Domestic (007GAG450)
Forged Crankshaft
8 Bolt Flange
BBC Rod Journals
Bob Weight : 2350 grams
Main Journal Diameter : 2.75in
Minimum Rod Length : 6.760
Rod Pin Diameter : 2.200in
Stroke : 4.500in
Weight : 72lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 007GAT375 K1 Technologies Crankshaft - Domestic (007GAT375)
Forged Crankshaft
8 Bolt Flange
Bob Weight : 2350 grams
Main Journal Diameter : 2.75in
Minimum Rod Length : 6.760
Rod Pin Diameter : 2.375in
Stroke : 3.750in
Weight : 71lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 007GAT415 K1 Technologies Crankshaft - Domestic (007GAT415)
Forged Crankshaft
8 Bolt Flange
Bob Weight : 2350 grams
Main Journal Diameter : 2.75in
Minimum Rod Length : 6.760
Rod Pin Diameter : 2.375in
Stroke : 4.150in
Weight : 72lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 007HAG425 K1 Technologies Crankshaft - Domestic (007HAG425)
Forged Crankshaft
6 Bolt Flange
BBC Rod Journals
Bob Weight : 2350 grams
Main Journal Diameter : 2.75in
Minimum Rod Length : 6.760
Rod Pin Diameter : 2.200in
Stroke : 4.250in
Weight : 71lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 007IAW408 K1 Technologies Crankshaft - Domestic (007IAW408)
Forged Crankshaft
8 Bolt Flange
32T Reluctor Wheel Required
Bob Weight : Call grams
Main Journal Diameter : 2.559in
Minimum Rod Length : 6.125
Rod Pin Diameter : 2.000in
Stroke : 4.080in
Weight : 56lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 007IAW425 K1 Technologies Crankshaft - Domestic (007IAW425)
Forged Crankshaft
8 Bolt Flange
32T Reluctor Wheel Required
Bob Weight : Call grams
Main Journal Diameter : 2.559in
Minimum Rod Length : 6.125
Rod Pin Diameter : 2.000in
Stroke : 4.250in
Weight : TBA
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 011DAI340 K1 Technologies Crankshaft - Domestic (011DAI340)
Forged Crankshaft
6 Bolt Ford Flange
Bob Weight : 1750 grams
Main Journal Diameter : 302in
Minimum Rod Length : 5.400
Rod Pin Diameter : 2.100in
Stroke : 3.400in
Weight : 47lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 011EAD400 K1 Technologies Crankshaft - Domestic (011EAD400)
Forged Crankshaft
6 Bolt Ford Flange
Cleveland Mains
SBC Rod Journals
Uses Windsor Snout
Bob Weight : 1850 grams
Main Journal Diameter : 2.75in
Minimum Rod Length : 6.200
Rod Pin Diameter : 2.100in
Stroke : 4.000in
Weight : 61lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 011FAD400 K1 Technologies Crankshaft - Domestic (011FAD400)
Forged Crankshaft
6 Bolt Ford Flange
SBC Rod Journals
Windsor Mains
Uses Windsor Snout
Bob Weight : 1900 grams
Main Journal Diameter : 3.00in
Minimum Rod Length : 6.200
Rod Pin Diameter : 2.100in
Stroke : 4.000in
Weight : 61lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012DAD348 K1 Technologies Crankshaft - Domestic (012DAD348)
Forged Crankshaft
6 Bolt Chevy Flange
Bob Weight : 1900 grams
Main Journal Diameter : 2.45in
Minimum Rod Length : 5.700
Rod Pin Diameter : 2.100in
Stroke : 3.480in
Weight : 53lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012DAD375 K1 Technologies Crankshaft - Domestic (012DAD375)
Forged Crankshaft
6 Bolt Chevy Flange
Bob Weight : 1900 grams
Main Journal Diameter : 2.45in
Minimum Rod Length : 5.700
Rod Pin Diameter : 2.100in
Stroke : 3.750in
Weight : 55lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012DAD400 K1 Technologies Crankshaft - Domestic (012DAD400)
Forged Crankshaft
6 Bolt Chevy Flange
Bob Weight : 1900 grams
Main Journal Diameter : 2.45in
Minimum Rod Length : 6.000
Rod Pin Diameter : 2.100in
Stroke : 4.000in
Weight : 57lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE362 K1 Technologies Crankshaft - Domestic (012FAE362)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 1775 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 3.622in
Weight : 51lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE36224 K1 Technologies Crankshaft - Domestic (012FAE36224)
Forged Crankshaft
6 Bolt Flange
24T Reluctor
Bob Weight : 1775 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 3.622in
Weight : 52lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE36258 K1 Technologies Crankshaft - Domestic (012FAE36258)
Forged Crankshaft
6 Bolt Flange
58T Reluctor
Bob Weight : 1775 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 3.622in
Weight : 52lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE390 K1 Technologies Crankshaft - Domestic (012FAE390)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 1800 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 3.900in
Weight : 52lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE39024 K1 Technologies Crankshaft - Domestic (012FAE39024)
Forged Crankshaft
6 Bolt Flange
24T Reluctor
Bob Weight : 1800 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 3.900in
Weight : 53lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE39058 K1 Technologies Crankshaft - Domestic (012FAE39058)
Forged Crankshaft
6 Bolt Flange
58T Reluctor
Bob Weight : 1800 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 3.900in
Weight : 53lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE400 K1 Technologies Crankshaft - Domestic (012FAE400)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 1800 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.000in
Weight : 52lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE400-24 K1 Technologies Crankshaft - Domestic (012FAE400-24)
Forged Crankshaft
6 Bolt Flange
24T Reluctor
Bob Weight : 1800 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.000in
Weight : 53lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE400-58 K1 Technologies Crankshaft - Domestic (012FAE400-58)
Forged Crankshaft
6 Bolt Flange
58T Reluctor
Bob Weight : 1800 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.000in
Weight : 53lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE410 K1 Technologies Crankshaft - Domestic (012FAE410)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 1875 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.100in
Weight : 53lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE410-24 K1 Technologies Crankshaft - Domestic (012FAE410-24)
Forged Crankshaft
6 Bolt Flange
24T Reluctor
Bob Weight : 1875 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.100in
Weight : 54lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE410-58 K1 Technologies Crankshaft - Domestic (012FAE410-58)
Forged Crankshaft
6 Bolt Flange
58T Reluctor
Bob Weight : 1875 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.100in
Weight : 54lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE413 K1 Technologies Crankshaft - Domestic (012FAE413)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 1875 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.125in
Weight : 53lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE413-24 K1 Technologies Crankshaft - Domestic (012FAE413-24)
Forged Crankshaft
6 Bolt Flange
24T Reluctor
Bob Weight : 1875 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.125in
Weight : 54lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE413-58 K1 Technologies Crankshaft - Domestic (012FAE413-58)
Forged Crankshaft
6 Bolt Flange
58T Reluctor
Bob Weight : 1875 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.125in
Weight : 54lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE425 K1 Technologies Crankshaft - Domestic (012FAE425)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 1875 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.250in
Weight : 53lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE425-24 K1 Technologies Crankshaft - Domestic (012FAE425-24)
Forged Crankshaft
6 Bolt Flange
24T Reluctor
Bob Weight : 1875 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.250in
Weight : 54lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012FAE425-58 K1 Technologies Crankshaft - Domestic (012FAE425-58)
Forged Crankshaft
6 Bolt Flange
58T Reluctor
Bob Weight : 1875 grams
Main Journal Diameter : 2.65in
Minimum Rod Length : 6.098
Rod Pin Diameter : 2.100in
Stroke : 4.250in
Weight : 54lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012GAG425 K1 Technologies Crankshaft - Domestic (012GAG425)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 2150 grams
Main Journal Diameter : 2.75in
Minimum Rod Length : 6.385
Rod Pin Diameter : 2.200in
Stroke : 4.250in
Weight : 81lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012GAG438 K1 Technologies Crankshaft - Domestic (012GAG438)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 2150 grams
Main Journal Diameter : 2.75in
Minimum Rod Length : 6.385
Rod Pin Diameter : 2.200in
Stroke : 4.375in
Weight : 82lbs
//d5otzd52uv6zz.cloudfront.net/50358b3b-a10d-488a-8743-67ac1d59d0a8-50.jpg 012GAG450 K1 Technologies Crankshaft - Domestic (012GAG450)
Forged Crankshaft
6 Bolt Flange
Bob Weight : 2150 grams
Main Journal Diameter : 2.75in
Minimum Rod Length : 6.385
Rod Pin Diameter : 2.200in
Stroke : 4.500in
Weight : 82lbs

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