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#91510219
$1,132.99
/kit
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$1,150.12
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400 mains Main Journal Style, 3.750" Engine Stroke
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| MFG. Part # | 91510219 |
| Brand | Speedway Motors |
| Connecting Rod Type | I-Beam |
| Piston Style | Flat Top w/ 2 valve reliefs |
| Piston Material | Hypereutectic Aluminum |
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855.313.9176Quick and Easy Returns
Return PolicySpeedway introduces rotating assembly engine rebuild kits, with an optional balance job. Includes 2-pc rear main seal cast steel crank, rods and pistons. Cranks are new so they use standard size bearings.
All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience! A kit purchased with the optional balance job will ship in 24-48 hours.
NOTE: Piston rings are not included and must be purchased separately.
Flat top, 2 valve relief
Ring style: A
C/R 58cc=12.6, 64cc=11.7, 76cc=10.3
Piston/Pin Weight: 624 g
Rod Length: 5.7"
Kits include:
Kits include:
| KEY SPECS | |
|---|---|
| MFG. Part # | 91510219 |
| Brand | Speedway Motors |
| Connecting Rod Type | I-Beam |
| Piston Style | Flat Top w/ 2 valve reliefs |
| Piston Material | Hypereutectic Aluminum |
| GENERAL | |
| Main Journal Style | 400 mains |
| Engine Stroke | 3.750" |
| Connecting Rod Length | 5.700" |
| Connecting Rod Material | Forged 5140 Steel |
| Connecting Rod Weight | 646 grams |
| Connecting Rod Bolt Diameter | 3/8" |
| Piston Weight | 522 grams |
| Piston Ring Style | A |
| Crankshaft Material | Cast Steel |
| Rear Main Seal Style | 2-piece |
| Wrist Pin Diameter | 0.9272" |
| Wrist Pin Weight | 102 grams |
| Main Journal Diameter | 2.650" |
| Rod Journal Diameter | 2.10" |
| Bearing Construction | Bi-metal |
| Bearing Undersize | Standard |
| Narrowed Bearing | Yes |
| Coated Bearing | No |
| Notes | Torque rod bolts to 50 ft./lbs. |
| Sold in Quantity | Kit |
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1 Review
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Disappointing rods were speed master aka pro comp
3.0
5 years ago
Nboly
Colby Kansas
Verified
400 rotating drag race budget engine
Would Recommend
Showing 1 of 1 reviews
12 Questions • 11 Answers
What CC is the valve relief(s)?
by Kip
• 3 years ago
1 answer
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Compression height of the pistons?
by Johnny
• 3 years ago
1 answer
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The add says 400, so is this standard bore with .030 and .040 as a option or just .303 and .040?
by Chris
• 7 years ago
1 answer
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How much more is the kit with 40 over pistons
by Jimmy
• 7 years ago
1 answer
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Is there a kit without the crank?
by Jeremy
• 8 years ago
1 answer
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does this kit include rod and main bearings?
by Jungle Jim
• 10 years ago
1 answer
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Is this made to be internally or externally balanced like a 400 ? Also what compression with 74cc heads ? Thank you
by Trashman
• 10 years ago
2 answers
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How much extra are dished pistons with same everything else?
by bullheimer
• 11 years ago
1 answer
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Will this rotating assembly fit my 1972 abc 400 block
by Jr
• 11 years ago
1 answer
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What is the horse power and rpm limit of this kit?
by Ryno
• 11 years ago
1 answer
View Answer
10 of 12 questions shown
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