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Edelbrock

Edelbrock

Edelbrock RHS LS Aluminum Race Block 9.750in Tall Deck 4.120in Bore 0.904in Lifter

SKU: EDE54901U-904

Engine Block

EDE Engine Block...

Edelbrock RHS LS Aluminum Race Block 9.750in Tall Deck 4.120in Bore 0.904in Lifter
Edelbrock

Edelbrock

Edelbrock RHS LS Aluminum Race Block 9.750in Tall Deck 4.120in Bore 0.904in Lifter

SKU: EDE54901U-904

Engine Block

EDE Engine Block...

A$12,862.86
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.
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Description

Valvetrain Capabilities: Provisions for Gen III & Gen IV cam & knock sensors & valley covers, Cam tunnel will accommodate stock through oversized 60mm roller bearing cams (includes cast-in lock screw pads), .842” or .904” lifters standard with material available for oversized lifter access (accepts 1.060” bushing for keyed lifters), In the standard deck, maximum pushrod angularity = Less than 2 degrees, Includes Ampco 45 cam thrust plate and aluminum rear cover, Lifter bosses designed to clear tie bar lifter

Part Type

Engine Block

Data: v4.2 - Upd: 2026-09-26 22:13:06

Features

  • .904” lifters standard
  • 2 extra links in the timing chain – Timing sets available from COMP®
  • 6 head bolt design w/ full water jacket around the cylinders (based on LS7 design)
  • Chilled main bearing bulkheads for added strength
  • Gen III/Gen IV compliant with race mounts for Gen I, Gen II, Gen III & Gen IV engines
  • Optimized billet main caps & improved windage
  • P1 MFG main stud kit standard with enough material in castings to accommodate up to a 0.5" fastener
  • Raised cam centerline (.388”/9.86mm) to allow larger stroke
  • Rolled threads on all threaded holes for added strength

Specifications

Reference Information

Brand Name/s Edelbrock
StreetFX SKU ede54901U-904
SFX Item ID 6840088
Supplier Item Code 6840088
Manufacturer SKU 54901U-904
Manufacturer UPC 36584051510
Alternative References 9.750in, 4.120in, 0.904in

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